WO2022211237A1 - 디스플레이용 방열장치 및 그 제조방법 - Google Patents
디스플레이용 방열장치 및 그 제조방법 Download PDFInfo
- Publication number
- WO2022211237A1 WO2022211237A1 PCT/KR2022/000853 KR2022000853W WO2022211237A1 WO 2022211237 A1 WO2022211237 A1 WO 2022211237A1 KR 2022000853 W KR2022000853 W KR 2022000853W WO 2022211237 A1 WO2022211237 A1 WO 2022211237A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat dissipation
- heat sink
- unit
- dissipation device
- emi gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0015—Gaskets or seals
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
- H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/92—Seal including electromagnetic shielding feature
Definitions
- the present invention relates to a heat dissipation device for a display and a method for manufacturing the same, and more particularly, it is possible to minimize the thickness of the heat dissipation device while allowing heat generated from a central processing unit provided in a flat panel display device to be rapidly discharged to the outside. It relates to a heat dissipation device for a display and a method for manufacturing the same, so that the overall thickness of the display device can be slimmed down.
- a display device refers to a device that displays characters or figures on a CRT similar to a TV set.
- a flat panel display refers to a display device that is thinner and lighter than a computer monitor or television using a cathode ray tube.
- laptops, digital cameras, etc. have begun to be applied to devices where portability is important, but recently it has also been applied to bulky devices such as flat panel TVs. is used as a word.
- a heat dissipation unit is usually used for the purpose of rapidly dissipating heat generated from the central processing unit to the outside.
- a heat dissipation unit it is installed in the form of a heat pipe on the upper part of the CPU of the main board of the display device. The method is mainly used so that the heat generated from the heat dissipation unit is used to cool and dissipate the heat.
- an EMI gasket having electrical conductivity and elasticity is provided between the circuit board and the heat dissipation unit. can be applied.
- EMI means electromagnetic interference. Since the heat dissipation unit made of metal acts like an antenna, electromagnetic waves generated from electronic components mounted on the main board are grounded to the outside of the display device through the heat sink and EMI gasket.
- the conventional heat dissipation unit presses the central area of an aluminum plate using a press device to form a semiconductor contact in which the area of the central processing unit is depressed, and then bonds the lower portion of the semiconductor contact to the upper surface of the central processing unit.
- a portion of the flat portion of the heat dissipation unit that is not recessed is brought into contact with the upper surface of the EMI gasket. Since a metallic film is adhered or coated on the surface of the EMI gasket, it can be electrically connected to the aluminum heat dissipation unit.
- the conventional heat dissipation unit having the above structure has a problem in that the overall height of the heat dissipation unit increases due to the height of the EMI gasket, and thus the thickness of the flat panel display cannot be slimmed down.
- the present invention has been devised to solve the problems of the prior art as described above, and an object of the present invention is a heat provided in a heat dissipating device capable of dissipating heat generated from a central processing unit provided in a flat panel display device to the outside.
- An object of the present invention is to provide a heat dissipation device for a display and a method for manufacturing the same, which can reduce the overall thickness of the flat panel display device by minimizing the thickness of the sink portion.
- Another object of the present invention is to provide a heat dissipation device for a display and a method for manufacturing the same, which can reduce the production cost while slimming the overall thickness by allowing the heat sink to be processed only by press working, which is relatively inexpensive in processing cost.
- a heat dissipation device for a display comprising a flat heat sink unit including a central processing unit contact unit, a push pin coupling unit, and an EMI gasket contact unit, and a heat dissipation plate connected to the heat sink unit, wherein the EMI gasket contact unit has an EMI gasket contact unit. It is characterized in that a first insertion groove into which the upper end of the gasket is inserted is formed.
- the present invention is a heat dissipation device for a display comprising a heat sink portion in a flat plate shape including a central processing unit contact portion, a push pin coupling portion and an EMI gasket contact portion, and a heat dissipation plate connected to the heat sink portion, wherein the A first through hole is formed in the EMI gasket contact portion, and an inner surface of the first through hole is configured to contact and support an outer surface of the EMI gasket.
- the present invention is a heat dissipation device for a display comprising a heat sink portion in a flat plate shape including a central processing unit contact portion, a push pin coupling portion and an EMI gasket contact portion, and a heat dissipation plate connected to the heat sink portion, wherein the The central processing unit contact part is formed to protrude upward by the bent part or recessed downward to generate a height difference from the surrounding heat sink part.
- a first through hole into which the upper end is inserted is formed, and a first insertion groove into which the upper end of the EMI gasket is inserted is formed in the EMI gasket contact portion formed in the heat sink positioned at a relatively low position.
- the push pin coupling portion is formed with a second insertion groove into which the pressing portion of the push pin is inserted, and a third through hole through which the head portion of the push pin passes is formed in the center of the second insertion groove.
- the heat sink part is formed by press working, and the push pin coupling part includes a first punching step of punching a through hole larger than the diameter of the push pin in the plate-shaped heat sink part; A pressing step of forming a second insertion groove into which the pressing part of the push pin is inserted by pressing the periphery of the through hole using a pressing tool having a diameter, and further processing the through hole having a diameter narrowed by the pressing step by punching It is characterized in that it is formed by the second punching step of forming a third through hole through which the head portion of the push pin passes.
- the present invention it is possible to quickly radiate heat generated from the central processing unit provided in the flat panel display device to the outside while minimizing the thickness of the heat dissipation device, thereby reducing the overall thickness of the display device.
- the heat sink portion can be processed only by press working, which is relatively inexpensive in processing cost, thereby further having the effect of reducing the overall production cost.
- FIG. 1 is a view showing a printed circuit board used in a flat panel display.
- FIG. 2 is a view showing an embodiment of a heat dissipation device for a display according to the present invention.
- FIG. 3 (a) and (b) are upper and lower perspective views showing the heat sink part of the present invention shown in FIG. 2 .
- Figure 4 is a bottom view of the present invention shown in Figure 3 (a).
- FIG. 5 (a), (b) is a side cross-sectional view showing the heat sink shown in Figure 3 compared to the conventional heat sink.
- FIG. 6 is a view showing an embodiment of a push pin coupled to the push pin coupling portion of the heat dissipation device for a display according to the present invention.
- FIGS. 7A to 7C are views schematically illustrating a process of forming a push pin coupling unit in a heat sink portion of a method of manufacturing a heat dissipation device for a display according to the present invention.
- FIG. 1 is a view showing a printed circuit board used in a flat panel display
- FIG. 2 is a view showing an embodiment of a heat dissipation device for a display according to the present invention
- FIG. 3 is shown in FIG. Top and bottom perspective views showing the heat sink part of the present invention shown
- FIG. 4 is a bottom view of the present invention shown in FIG. It is a side cross-sectional view compared with a conventional heat sink
- FIG. 6 is a view showing an embodiment of a push pin coupled to a push pin coupling part of a heat dissipation device for a display according to the present invention
- FIG. 7 (a) ⁇ (c) is a diagram schematically illustrating a process of forming a push pin coupling part in a heat sink part in a method of manufacturing a heat dissipation device for a display according to the present invention.
- the present invention is a heat dissipation device for a display that can reduce the overall thickness of the display device by minimizing the thickness of the heat dissipation device while allowing the heat generated from the central processing unit provided in the display device to be rapidly radiated to the outside.
- (1) and a manufacturing method thereof, and the present invention described below can be applied to various display devices used in various industrial fields, but is used for flat panel displays that are most closely related to the problems to be solved by the present invention It will be described with reference to the heat dissipation device 1 to be used.
- a central processing unit (CPU) 12 is a flat panel display device to which the heat dissipation device 1 for a display (hereinafter referred to as 'heat dissipation device 1 ') according to the present invention can be applied. ), a printed circuit board 10 provided with a push pin binding hole 14 and an EMI gasket 16 is provided.
- the heat dissipation device 1 is coupled to the upper portion of the printed circuit board 10 and serves to radiate heat generated from the printed circuit board 10, that is, mainly the central processing unit 12, to the outside.
- its main configuration may include a heat sink unit 100 , a connection unit 200 , and a heat dissipation plate 300 , as shown in FIG. 2 .
- the heat sink unit 100 is bound to the upper portion of the printed circuit board 10 by a push pin 20 made of an electrically conductive material, and generated in the central processing unit 12 provided on the printed circuit board 10, etc. It is configured to dissipate heat by conduction, and may be made of a metal material such as aluminum.
- the heat sink unit 100 is mainly formed in a flat plate shape in order to minimize the increase in thickness of the display device.
- the heat sink unit 100 has a central processing unit in contact with the central processing unit 12 of the printed circuit board 10 .
- the device contact unit 110, the push pin coupling unit 120 to which the push pin 20 is inserted and coupled, and the EMI gasket contact unit 130 contacting the EMI gasket 16 of the printed circuit board 10 may be provided. .
- the EMI gasket contact unit 130 contacts a plurality of EMI gaskets 16 provided on the printed circuit board 10, respectively, and serves to ground the electromagnetic waves generated from the electronic component to the outside of the display device.
- a first insertion groove 132 into which the upper end of the EMI gasket 16 is inserted may be formed in the EMI gasket contact portion 130 .
- the lower surface of the heat sink 100 is configured to simply contact the upper end of the EMI gasket 16, as shown in FIG. 5(b). ), by forming a first insertion groove 132 into which the upper end of the EMI gasket 16 is inserted in the EMI gasket contact portion 130, the height corresponding to the height of the first insertion groove 132 is formed. It is configured to reduce the thickness of the heat sink unit 100 .
- the contact area between the EMI gasket 16 and the EMI gasket contact portion 130 , that is, the first insertion groove 132 is increased. Therefore, the grounding efficiency of electromagnetic waves can be improved.
- a first through hole 134 may be formed as the EMI gasket contact portion 130 .
- the first through hole 134 is formed to have the same size as that of the EMI gasket 16 , and thus the EMI gasket 16 .
- the upper side of the first through hole 134 may be configured to be in contact with the inner circumferential surface, that is, the side surface.
- the upper surface of the EMI gasket 16 may be located at the same height or lower than the upper surface of the heat sink unit 100 , and only the side grounding of the EMI gasket 16 will show the grounding effect of electromagnetic waves. Therefore, as described above, when the first through hole 134 is used as the EMI gasket contact portion 130 , a slimming effect can be exhibited by the maximum thickness of the heat sink portion 100 compared to the related art.
- the first insertion groove 132 and the first through hole 134 may be selectively used as the EMI gasket contact part 130 according to the installation position of the EMI gasket 16 .
- the central processing unit contact unit 110 is in contact with the central processing unit 12 provided on the printed circuit board 10 and serves to dissipate heat generated from the central processing unit 12, and the conventional heat Like the sink unit, it may be formed to be recessed so as to be in contact with the upper surface of the central processing unit 12, but it may be the same as the height of the periphery for slimming the heat sink unit 100, or in FIGS. 3(a) and 5( As can be seen in b), it may be formed in a structure bent upward by the bent portion 114 .
- the central processing unit contact part 110 may be formed in a shape that protrudes upward compared to the surrounding heat sink part 100 by the bent part 114 , which is provided on the printed circuit board 10 . Since the height of the central processing unit 12 is constant, and the lower surface of the central processing unit contact part 110 is configured to be in contact with the upper surface of the central processing unit 12 , the heat of the rest except for the central processing unit contact unit 110 .
- the sink unit 100 is formed at a lower height than the central processing unit contact unit 110, and accordingly, even if the central processing unit contact unit 110 is formed in a protruding shape compared to the periphery as described above, the overall printed circuit board ( 10) and the height of the heat sink unit 100, that is, does not mean that the thickness is increased.
- a second through hole 112 may be formed in the central processing unit contact unit 110 , and the second through hole 112 is in contact with the upper surface of the central processing unit 12 of the printed circuit board 10 .
- a heat sink made of copper may be combined.
- connection part 200 to be described later may be connected to the heat sink, and the connection part 200 may also be made of a copper material.
- the size of the second through hole 112 is formed to be the same as the size of the upper protrusion of the central processing unit 12, and the thickness of the heat sink is formed thinner than the thickness of the heat sink unit 100 to form the heat sink.
- the upper surface may be coupled to be integral with the upper surface of the heat sink unit 100. In this case, a step is formed between the lower surface of the heat sink unit 100 and the lower surface of the heat sink, so that a part of the upper end of the central processing unit 12 is removed. It may be inserted into the two through-holes 112 .
- the central processing unit 12 typically used in a flat panel display device has a two-stage structure at the upper end, and the size of the second through hole 112 is determined by the central processing unit ( 12) is formed to be the same as the size of the upper protrusion, and a copper heat sink coupled to the inside is integrated with the upper surface of the heat sink 100 to form a thinner than the thickness of the heat sink 100, A portion of the upper end of the central processing unit 12 having a two-stage structure is inserted into the second through hole 112 to reduce the thickness of the overall heat sink unit 100 and the printed circuit board 10 assembly.
- the EMI gasket contact part 130 positioned at the corresponding part that is, the heat sink part 100 formed higher than the periphery. is formed as a first through hole 134 , and a first insertion groove 132 may be formed as the EMI gasket contact portion 130 positioned at a relatively low position, which increases the overall thickness of the heat sink portion 100 .
- This is to minimize and at the same time facilitate the bonding operation of the heat dissipating device 1 according to the present invention, that is, the coupling of the heat dissipating device 1 to the upper part of the printed circuit board 10 .
- the heat sink part 100 of the heat dissipation device 1 according to the present invention can be manufactured only by press working.
- the opposite surface of the groove 132, that is, the upper surface of the heat sink part 100, is inevitably protruding relatively.
- a first insertion groove 132 is formed in the heat sink unit 100 located at a relatively low position, so that even if the upper surface of the heat sink unit 100 of the corresponding portion protrudes upward, the central processing unit contact unit located at a relatively high position
- the EMI gasket contact unit 130 positioned in the heat sink unit 100 adjacent to the central processing unit contact unit 110 formed higher than the periphery.
- the first insertion groove 132 is formed, the thickness of the entire heat sink 100 is inevitably increased, so the EMI gasket contact portion 130 positioned on the heat sink portion 100 formed higher than the surrounding area is press-processed. It is preferable to form the first through hole 134 in which the thickness increase does not occur even during the operation.
- the heat sink portion 100 is mounted on the printed circuit board 10 for reasons such as processing errors. ) may become difficult, so even when the first insertion groove 132 is formed, the first through hole ( 134) rather than using the first insertion groove 132 may be preferable.
- the central processing unit contact part 110 may be recessed so that it is located at a relatively low height,
- the first insertion groove 132 is formed with the EMI gasket contact portion 130 adjacent to the central processing unit contact portion 110 located at a relatively low height, and the heat sink unit 100 is located at a relatively high position.
- the push pin coupling unit 120 is configured to fix and install the push pin 20 for binding the heat sink unit 100 to the printed circuit board 10 , the push pin coupling unit 120 is As shown in (a) of FIG. 3 , it may be formed in a concave recessed form.
- the push pin 20 is to be installed in the push pin coupling unit 120 via the spring 26, and as shown in FIG. 6, it may include a pressing unit 22 and a head unit 24 can
- the head unit 24 is inserted into the push pin binding hole 14 provided on the printed circuit board 10 so that the heat sink unit 100 can be fixedly installed on the printed circuit board 10 , and the The pressing part 22 is configured to press the head part 24 so that it can be inserted and coupled to the inside of the push pin binding sphere 14 . Since the detailed configuration of the push pin 20 is already known and is not intended to be claimed in the present invention, a detailed description of the operational relationship thereof will be omitted.
- the push pin coupling part 120 may include a second insertion groove 122 and a third through hole 124 , wherein the second insertion groove 122 is a pressing part ( 22) serves to be inserted and supported inward, and the third through hole 124 is formed in the center of the second insertion groove 122 so that the head portion 24 of the push pin 20 is It is configured to be passed through and coupled to the push pin binding hole 14 of the printed circuit board 10 .
- the second insertion groove 122 is also configured for slimming the printed circuit board 10 and the heat sink unit 100, similarly to the first insertion groove 132 of the EMI gasket contact unit 130 described above. Compared to the case in which the insertion groove 122 is not formed, a slimming effect may be exhibited by the thickness of the second insertion groove 122 .
- connection unit 200 is installed between the heat sink unit 100 and the heat dissipation plate 300 to transfer the heat conducted from the printed circuit board 10 to the heat sink unit 100 to the heat dissipation plate 300 . It serves to transmit, and may be made of a conventional heat pipe.
- the heat dissipation plate 300 is connected to the heat sink unit 100 by the connection unit 200 and serves to radiate heat conducted from the printed circuit board 10 to the heat sink unit 100,
- a typical heat dissipation fin made of a metal material may be provided.
- the heat sink part 100 of the heat dissipation device 1 according to the present invention as described above may be manufactured by press working, which has a relatively low processing cost. There is an advantage that can reduce the manufacturing cost compared to the conventional manufacturing (100).
- the machining cost is relatively cheap, but there is a disadvantage that it is difficult to process a complex shape.
- the processing of grooves or holes must be necessarily accompanied for slimming, and in particular, the second insertion groove 122 and the third through-hole 124 are required at the same time to combine the push pin of the heat sink unit 100.
- the part 120 it is difficult to manufacture only by press working, so it is common to use a die casting method even if the manufacturing cost is high. (100) is characterized in that it can be manufactured.
- the method of forming the push pin coupling portion 120 of the heat sink unit 100 by press working may include a first punching step, a pressing step, and a second punching step.
- the first The punching step is a process of forming a through hole having a diameter larger than that of the push pin 20 in the plate-shaped heat sink part 100 by punching processing using a press device, as shown in FIG. 7A . to be.
- the pressing step is a process of pressing the periphery of the through hole from the top to the bottom by using a pressing tool having a flat lower surface having a diameter larger than the diameter of the through hole, and the push pin coupling described above by this process
- the second insertion groove 122 of the part 120 may be formed.
- the height of the protrusion 126 be less than 1/2 of the thickness of the plate constituting the heat sink part 100 by adjusting the pressing force of the pressing tool, which is the overall heat sink by the protrusion 126 . This is to minimize the thickening of the part 100 .
- the second punching step is a process of once again performing punching processing using a press device on the through-hole whose diameter has been narrowed by the pressing step. 124 may be formed.
- the third through-hole 124 through which the head portion 24 of the push pin 20 can pass is formed by punching the through-hole portion having a narrowed diameter using a mechanism.
- the rest of the heat sink part 100 manufacturing process that is, the process of forming the central processing unit contact part 110 and the EMI gasket contact part 130 is simply a groove or a hole.
- the process of connecting and installing the heat sink unit 100 to the heat dissipation plate 300 by the connection unit 200 is the existing various heat dissipation devices (1). Since any one of the manufacturing processes can be selected and used, a detailed description thereof will be omitted.
- the heat generated from the central processing unit 12 provided in the flat panel display device can be rapidly discharged to the outside while By making it possible to minimize the thickness of the heat dissipating device 1, the overall thickness of the display device can be slimmed down, and the heat sink 100 can be minimized in thickness and relatively inexpensive by press working only. It has various advantages such as being able to reduce the overall production cost by allowing it to be processed.
- the present invention relates to a heat dissipation device for a display and a method for manufacturing the same, and more particularly, it is possible to minimize the thickness of the heat dissipation device while allowing heat generated from a central processing unit provided in a flat panel display device to be rapidly discharged to the outside. It relates to a heat dissipation device for a display and a method for manufacturing the same, so that the overall thickness of the display device can be slimmed down.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Claims (5)
- 중앙처리장치 접촉부, 푸쉬핀 결합부 및 EMI 개스킷 접촉부를 포함하는 평판 형상의 히트싱크부와, 상기 히트싱크부에 연결 설치되는 방열 플레이트를 포함하는 디스플레이용 방열장치에 있어서,상기 EMI 개스킷 접촉부에는 EMI 개스킷의 상단부가 내측으로 삽입되는 제1삽입홈이 형성된 것을 특징으로 하는 디스플레이용 방열장치.
- 중앙처리장치 접촉부, 푸쉬핀 결합부 및 EMI 개스킷 접촉부를 포함하는 평판 형상의 히트싱크부와, 상기 히트싱크부에 연결 설치되는 방열 플레이트를 포함하는 디스플레이용 방열장치에 있어서,상기 EMI 개스킷 접촉부에는 제1관통공이 형성되고, 상기 제1관통공의 내측면이 EMI 개스킷의 외측면을 접촉 지지하도록 구성된 것을 특징으로 하는 디스플레이용 방열장치.
- 중앙처리장치 접촉부, 푸쉬핀 결합부 및 EMI 개스킷 접촉부를 포함하는 평판 형상의 히트싱크부와, 상기 히트싱크부에 연결 설치되는 방열 플레이트를 포함하는 디스플레이용 방열장치에 있어서,상기 중앙처리장치 접촉부는 절곡부에 의해 상부로 돌출되거나 하부로 함몰되어 주변의 히트싱크부와 높이 차가 발생되도록 형성되고,상대적으로 높은 위치에 위치되는 히트싱크부에 형성되는 EMI 개스킷 접촉부에는 EMI 개스킷의 상단부가 내측으로 삽입되는 제1관통공이 형성되며,상대적으로 낮은 위치에 위치되는 히트싱크부에 형성되는 EMI 개스킷 접촉부에는 EMI 개스킷의 상단부가 내측으로 삽입되는 제1삽입홈이 형성된 것을 특징으로 하는 디스플레이용 방열장치.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 푸쉬핀 결합부에는 푸쉬핀의 가압부가 내측으로 삽입되는 제2삽입홈이 형성되고, 상기 제2삽입홈의 중심부에는 푸쉬핀의 헤드부가 통과되는 제3관통공이 형성된 것을 특징으로 하는 디스플레이용 방열장치.
- 제 1항 내지 제 3항 중 어느 한 항에 따른 디스플레이용 방열장치의 제조방법에 관한 것으로,상기 히트싱크부는 프레스 가공에 의해 형성되되,상기 푸쉬핀 결합부는 평판 형상의 히트싱크부에 푸쉬핀의 직경 보다 큰 관통공을 펀칭에 의해 형성시키는 제1펀칭단계와,상기 관통공의 직경 보다 큰 직경을 갖는 가압구를 이용하여 관통공 주변을 가압하여 푸쉬핀의 가압부가 내측으로 삽입되는 제2삽입홈을 형성시키는 가압단계 및상기 가압단계에 의해 직경이 좁아진 관통공을 펀칭에 의해 추가 가공하여 푸쉬핀의 헤드부가 통과되는 제3관통공을 형성시키는 제2펀칭단계에 의해 형성되는 것을 특징으로 하는 디스플레이용 방열장치의 제조방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/548,097 US12471261B2 (en) | 2021-04-02 | 2022-01-17 | Heat dissipation device for display, and manufacturing method therefor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2021-0043387 | 2021-04-02 | ||
| KR1020210043387A KR102538390B1 (ko) | 2021-04-02 | 2021-04-02 | 디스플레이용 방열장치 및 그 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022211237A1 true WO2022211237A1 (ko) | 2022-10-06 |
Family
ID=83455350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2022/000853 Ceased WO2022211237A1 (ko) | 2021-04-02 | 2022-01-17 | 디스플레이용 방열장치 및 그 제조방법 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US12471261B2 (ko) |
| KR (1) | KR102538390B1 (ko) |
| WO (1) | WO2022211237A1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4163537A1 (de) * | 2021-10-11 | 2023-04-12 | ZKW Group GmbH | Leiterplattenanordnung für einen kraftfahrzeugscheinwerfer |
| US12408309B2 (en) * | 2023-06-13 | 2025-09-02 | BorgWarner US Technologies, LLC | Systems and methods for a multi-functional structural element of an inverter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200307398Y1 (ko) * | 2002-12-18 | 2003-03-15 | 주식회사 영동 | 컴퓨터 중앙처리장치의 방열장치 |
| KR20090034596A (ko) * | 2007-10-04 | 2009-04-08 | 삼성전자주식회사 | 디스플레이장치 및 그의 전자파 저감방법 |
| KR20100054356A (ko) * | 2008-11-14 | 2010-05-25 | 삼성전자주식회사 | 히트싱크 및 이를 포함하는 디스플레이장치 |
| KR20110054223A (ko) * | 2009-11-17 | 2011-05-25 | 엘지이노텍 주식회사 | 히트싱크 모듈 |
| KR20170010179A (ko) * | 2015-07-15 | 2017-01-26 | 주식회사 테인엘티에스 | 전기전도성 재질의 푸쉬핀을 포함하는 히트싱크 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2828059B2 (ja) * | 1996-08-28 | 1998-11-25 | 日本電気株式会社 | ヒートシンクの実装構造 |
| US7232332B2 (en) * | 2003-01-07 | 2007-06-19 | Sun Microsystems, Inc. | Support and grounding structure |
| US7164587B1 (en) * | 2004-01-14 | 2007-01-16 | Sun Microsystems, Inc. | Integral heatsink grounding arrangement |
| JP6013906B2 (ja) * | 2012-12-27 | 2016-10-25 | ナミックス株式会社 | 液状エポキシ樹脂組成物 |
| JP7213621B2 (ja) * | 2018-04-04 | 2023-01-27 | デクセリアルズ株式会社 | 半導体装置 |
-
2021
- 2021-04-02 KR KR1020210043387A patent/KR102538390B1/ko active Active
-
2022
- 2022-01-17 US US18/548,097 patent/US12471261B2/en active Active
- 2022-01-17 WO PCT/KR2022/000853 patent/WO2022211237A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200307398Y1 (ko) * | 2002-12-18 | 2003-03-15 | 주식회사 영동 | 컴퓨터 중앙처리장치의 방열장치 |
| KR20090034596A (ko) * | 2007-10-04 | 2009-04-08 | 삼성전자주식회사 | 디스플레이장치 및 그의 전자파 저감방법 |
| KR20100054356A (ko) * | 2008-11-14 | 2010-05-25 | 삼성전자주식회사 | 히트싱크 및 이를 포함하는 디스플레이장치 |
| KR20110054223A (ko) * | 2009-11-17 | 2011-05-25 | 엘지이노텍 주식회사 | 히트싱크 모듈 |
| KR20170010179A (ko) * | 2015-07-15 | 2017-01-26 | 주식회사 테인엘티에스 | 전기전도성 재질의 푸쉬핀을 포함하는 히트싱크 |
Also Published As
| Publication number | Publication date |
|---|---|
| US12471261B2 (en) | 2025-11-11 |
| US20240155819A1 (en) | 2024-05-09 |
| KR20220138492A (ko) | 2022-10-13 |
| KR102538390B1 (ko) | 2023-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020032438A1 (en) | Electronic device including shielding member connected to conductive plate covering opening of shield can | |
| CN110325019B (zh) | 一种电子设备 | |
| WO2020171452A1 (en) | Stack structure of printed circuit boards using interposer and electronic device including the same | |
| US9048124B2 (en) | Heat sinking and electromagnetic shielding structures | |
| WO2013089405A1 (en) | Shielding system for mobile device and method for assembling the system | |
| WO2021091109A1 (en) | Electronic device including interposer | |
| WO2022211237A1 (ko) | 디스플레이용 방열장치 및 그 제조방법 | |
| EP3891969A1 (en) | Electronic device comprising antenna module | |
| WO2017095181A1 (ko) | 엘이디 조명 장치 | |
| WO2018016829A1 (ko) | 연성 회로 기판 및 그 제조 방법 | |
| WO2023226652A1 (zh) | 电子设备 | |
| WO2015034179A1 (en) | Signal transfer apparatus having antenna unit | |
| WO2018090613A1 (zh) | Dmd器件装置及dmd器件固定组件 | |
| WO2023033269A1 (ko) | 투명 안테나 | |
| CN214507781U (zh) | 一种电磁屏蔽装置及电子设备 | |
| WO2016126038A1 (ko) | 안테나 구조물 | |
| CN216673640U (zh) | 一种用于相控阵雷达数字采集印制板的散热装置 | |
| WO2022045729A1 (ko) | 인쇄회로기판 모듈 및 이를 포함하는 전자장치 | |
| CN213276490U (zh) | 一种被动散热工控一体机 | |
| WO2025005440A1 (ko) | 방열 구조 및 이를 포함하는 전자 장치 | |
| WO2022164129A1 (ko) | 방수 구조를 포함하는 전자 장치 | |
| WO2022131825A1 (ko) | 안테나 모듈 및 이를 포함하는 무선 통신 디바이스 | |
| CN113543617A (zh) | 电磁兼容性屏蔽装置及电子设备 | |
| WO2023282374A1 (ko) | 디스플레이 디바이스 | |
| CN220023490U (zh) | 一种光载无线通讯板载光模块 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22781358 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 18548097 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 22781358 Country of ref document: EP Kind code of ref document: A1 |
|
| WWG | Wipo information: grant in national office |
Ref document number: 18548097 Country of ref document: US |