WO2019200992A1 - Structure de guide de lumière, boîtier et dispositif électrique - Google Patents

Structure de guide de lumière, boîtier et dispositif électrique Download PDF

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Publication number
WO2019200992A1
WO2019200992A1 PCT/CN2019/072695 CN2019072695W WO2019200992A1 WO 2019200992 A1 WO2019200992 A1 WO 2019200992A1 CN 2019072695 W CN2019072695 W CN 2019072695W WO 2019200992 A1 WO2019200992 A1 WO 2019200992A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
light guiding
guiding film
decorative member
convex
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
Application number
PCT/CN2019/072695
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English (en)
Chinese (zh)
Inventor
姚坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201820568894.8U external-priority patent/CN208384164U/zh
Priority claimed from CN201810359399.0A external-priority patent/CN108508526A/zh
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of WO2019200992A1 publication Critical patent/WO2019200992A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings

Definitions

  • the present application relates to an optical structure, and more particularly to a light guiding structure, a housing having a light guiding structure, and an electronic device having the light guiding structure.
  • the existing electronic devices are all indicated by the indicator lights, thereby prompting the user to have unread information or missed calls and the like.
  • the current indicator lights are disposed on the front screen of the electronic device and need to occupy a certain position, thereby affecting the increase of the screen ratio of the electronic device.
  • the existing indicator lights are all point light sources, and the illumination effect is single.
  • the purpose of the present application is to provide a light guiding structure, a housing and an electronic device to solve the above problems.
  • a light guiding structure comprising a transparent decorative member disposed in a close manner and a light guiding film, wherein the light guiding film is not bonded to the transparent decorative member a convex light-input portion is disposed on the light-emitting portion for introducing light of the light-emitting source, so that light is introduced into the light-emitting portion from the convex light-introducing portion, and then the light is incident on the light-guide film.
  • the area outside the portion leads to the transparent decorative piece and is led out through the transparent decorative piece.
  • a housing in another aspect, includes a frame and a light guiding structure, the light guiding structure is disposed on the frame, and the light guiding structure comprises a transparent decorative member and a light guiding film disposed together a surface of the light guiding film not attached to the transparent decorative member is provided with a convex light-incident portion, and the convex light-injecting portion is used for introducing light of the light-emitting source, so that light is incident from the convex portion. After the light portion is introduced, it is guided to the transparent decorative member along a region of the light guiding film outside the convex light-incident portion, and is led out through the transparent decorative member.
  • an electronic device in still another aspect, includes a housing, the housing includes a frame, an illuminating light source, and a light guiding structure disposed on the frame, the light guiding structure includes a transparent arrangement a decorative member and a light guiding film, wherein a surface of the light guiding film not attached to the transparent decorative member is provided with a convex light-incident portion for introducing light of the light-emitting source to make the light After being introduced from the convex light-introducing portion, the transparent decorative member is guided along the region of the light guiding film outside the convex light-incident portion, and is led out through the transparent decorative member.
  • the light guiding structure, the housing and the electronic device provided by the present application can be used to guide the light emitted by the illuminating light source through the light guiding structure on the frame by arranging the light guiding structure on the frame of the housing, without occupying the space of the front screen. Effectively increasing the screen ratio.
  • a convex light-incident portion on the surface of the light-guiding film on which the transparent decorative member is not attached, light is incident from the convex portion into the light portion, and then the light guiding film is located at the convex light-emitting portion.
  • the area outside the part is gradually weakened, and the effect of illuminating the brightness of the light is presented, which enhances the display effect of the light.
  • FIG. 1 is a schematic plan view showing a schematic partial structure of an electronic device in an embodiment of the present application.
  • FIG. 2 is an exploded perspective view showing a schematic partial structure of the electronic device in FIG. 1 according to an embodiment of the present application.
  • FIG. 3 is a schematic structural view of a light guiding film according to an embodiment of the present application.
  • FIG. 4 is a side view of a light guiding film in another embodiment of the present application.
  • FIG. 5 is a schematic side view of a light guiding film according to still another embodiment of the present application.
  • FIG. 6 is a schematic top view of a light guiding film according to an embodiment of the present application.
  • FIG. 7 is a schematic overall view showing a schematic partial structure of an electronic device in another embodiment of the present application.
  • FIG. 8 is an exploded perspective view showing a schematic partial structure of the electronic device shown in FIG. 7 according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram showing a part of components of a main circuit board of an electronic device according to an embodiment of the present application.
  • FIG. 10 is an equivalent schematic diagram of a power source, a power switch, a flexible circuit board, an interposer, and a circuit formed by the illuminating lamp in an embodiment of the present application.
  • FIG. 1 is a schematic plan view showing a schematic partial structure of an electronic device 100 according to an embodiment of the present application.
  • FIG. 2 is an exploded, isometric view showing the structure of the electronic device 100 in the embodiment of the present invention.
  • the electronic device 100 includes a housing 1 including a frame 2 and a light guiding structure 3 disposed on the frame 2 .
  • the light guiding structure 3 includes a transparent decorative member 31 and a light guiding film 32.
  • the surface of the light guiding film 32 that is not bonded to the transparent decorative member 31 is provided with a convex surface.
  • a light incident portion R1 for introducing light of the illuminating light source 4 shown in FIG. 2 so that light is introduced from the bulging light incident portion R1 and respectively along the light guiding portion
  • a region of the film 32 outside the convex light incident portion R1 is guided to the transparent decorative member 31 and is led out through the transparent decorative member 31.
  • the light guiding structure 3 on the frame 2 of the casing 1 by providing the light guiding structure 3 on the frame 2 of the casing 1, the light of the illuminating light source 4 is led out from the light guiding structure 3 on the frame 2, and the illuminating can be performed through the frame without the need for the electronic device 100.
  • the front panel is provided with an indicator hole to effectively increase the screen ratio.
  • the convex light-incident portion R1 on the light-guiding film 32 the light is gradually weakened when it enters the light-emitting portion R1 and is emitted toward other regions of the light-guiding film 32, thereby exhibiting a gradation effect of the light-emitting luminance. Improve the display of the light.
  • the surface F0 that is not bonded to the transparent garnish 31 refers to a surface that faces the surface of the light guiding film 32 and the transparent garnish 31.
  • the raised light incident portion R1 is a non-end position disposed on the surface F0 of the light guiding film 32, so that light enters the light guiding portion 32 from the convex portion into the light guiding portion 32.
  • the two sides of the convex light incident portion R1 are emitted, the light is gradually weakened, and the effect of the light emission luminance from the convex light incident portion R1 to the both sides is exhibited.
  • the light guiding film 32 includes a first light guiding film portion 301 and a second light guiding film portion 302, and the first light guiding film portion 301 includes the first The body 310 and the first bent portion B1 bent from the first end portion D1 of the first body 310, the second light guiding film portion 302 includes the second body 320 and the second end portion of the second body 320
  • the second bent portion B2 is formed by bending the D2, and the first bent portion B1 and the second bent portion B2 are bonded together to form the convex light incident portion R1.
  • the light of the illuminating light source 4 is guided from the convex light incident portion R1 and then guided along the direction of the first body 310 of the first light guiding film portion 301 and the second body 320 of the second light guiding film portion 302, respectively.
  • the transparent decorative member 31 is described and is led out through the transparent decorative member 31.
  • the transparent decorative member 31 is located at the outermost side of the frame 2, and has the effects of a decorative surface and a light-emitting surface.
  • the first light guiding film portion 301 and the second light guiding film portion 302 are symmetric structures, that is, the first body 310 and the second body. 320 is symmetrical, and the first bent portion B1 and the second bent portion B2 are symmetrical.
  • the convex light-input portion R1 formed by the bonding of the first bent portion B1 and the second bent portion B2 is located at a middle portion of the light guiding film 32.
  • first bent portion B1 and the second bent portion B2 are the first body 310 and the second light guiding film portion 302 from the first light guiding film portion 301, respectively.
  • the two bodies 320 are vertically bent in a direction away from the transparent decorative member 31.
  • the first bent portion B1 and the second bent portion B2 are a sheet-like structure, and the first bent portion B1 and the second bent portion B2 are The convex light incident portion R1 formed by lamination may be a flat columnar structure.
  • a surface of the first bent portion B1 and/or the second bent portion B2 that is not attached to the other side serves as a light incident surface of the light that is introduced into the light source 4 .
  • FIG. 4 is a schematic side view of the light guiding film 32 in another embodiment.
  • the convex light incident portion R1 of the light guiding film 32 may extend from a non-end portion of the surface F0 of the light guiding film 32 that is not bonded to the transparent decorative member 31.
  • a columnar structure is formed, such as a flat columnar structure.
  • the convex light incident portion R1 and the light guiding film 32 may be integrally molded, or the convex light incident portion R1 may be optically bonded to the non-end portion of the surface F0 of the light guiding film 32. Transparent glue bonding.
  • the non-end position is a middle position on the face F0 of the light guiding film 32, and the like.
  • FIG. 5 is a schematic side view of the light guiding film 32 in still another embodiment.
  • the convex light incident portion R1 may also be disposed at an end position on the surface F0 of the light guiding film 32, so that light enters the light guiding portion 32 from the convex portion into the light guiding portion 32.
  • the other end of the ray is gradually weakened, and the illuminating brightness gradient effect of the illuminating brightness gradually changing from one end to the other end is exhibited.
  • the light guiding structure 3 further includes an optical adhesive layer 33 , and the transparent decorative member 31 and the light guiding film 32 are fixed together by the optical adhesive layer 33 .
  • the optical adhesive layer 33 is an OCR (optically clear adhesive) optical adhesive layer.
  • the transparent decorative member 31 and the light guiding film 32 are tightly held together by the optical adhesive layer 33 to form a transparent decorative member assembly.
  • the transparent decorative member 31 and the light guiding film 32 may be tightly fixed together by local dispensing, or may be tightly fixed by integrally coating other transparent glue or the like.
  • the transparent decorative member 31 and the light guiding film 32 can also be fixed together by the engaging structure.
  • the transparent decorative member 31 is provided with a plurality of protrusions
  • the light guiding film 32 is disposed on the light guiding film 32.
  • the light guiding film 32 includes a first light guiding film portion 301 and a second light guiding film portion 302
  • the first body 310 of the first light guiding film portion 301 and the The second body 320 of the second light guiding film portion 302 is fixed to the transparent decorative member 31 by the optical adhesive layer 33.
  • the tight fixation between the light guiding film 32 and the transparent decorative member 31 can be achieved by the optical adhesive layer 33, and at the same time, between the first light guiding film portion 301 and the second light guiding film portion 302
  • the relative structural relationship of the position is relatively fixed.
  • first bent portion B1 of the first light guiding film portion 301 and the second bent portion B2 of the second light guiding film portion 302 may be adhered by a transparent glue such as optical glue. Attach the fit and enhance the stability of the structure.
  • the transparent decorative member 31 is made of polymethyl methacrylate (PMMA, commonly known as plexiglass), and the light guiding film 32 and its convex portion R1 are made of polycarbonate (PC). Made of a thermoplastic resin material.
  • PMMA polymethyl methacrylate
  • PC polycarbonate
  • the transparent decorative member 31 or the light guiding film 32 can also be made of any one of transparent glass, transparent resin, transparent plastic and the like.
  • the light guiding structure 3 further includes a light shielding adhesive 34, and the light shielding adhesive 34 is attached to the surface of the light guiding film 32 that is not bonded to the transparent decorative member.
  • the position of the convex light incident portion R1 is set.
  • the light shielding adhesive 34 includes a first light shielding rubber portion 341 and a second light shielding rubber portion 343.
  • the first light-shielding rubber portion is bonded to the surface F0 of the first body 310 of the first light-guiding film portion 301 that is not bonded to the transparent decorative member 31, and the second light-shielding rubber portion 343 is attached.
  • the convex light incident portion R1 is from the first light shielding rubber portion 341 and the second surface
  • the gap J1 between the light-shielding rubber portions 343 passes through and extends outside the light-shielding glue 34.
  • the light shielding glue 34 is used for shielding light, and only the light of the light source 4 is allowed to be introduced into the light guiding film 32 from the convex light incident portion R1, and is incident from the convex portion of the light guiding film 32 into the light portion R1. It is diverged to other areas of the light guiding film 32, thereby ensuring the effect of gradation of the brightness of the light.
  • the shading adhesive 34 is a black or white double sided shading gel.
  • the light guiding structure 3 is adhesively fixed to the frame 2 by the light shielding adhesive 34.
  • FIG. 6 is a top plan view of the light guiding film 32 in some embodiments.
  • at least a portion of the light guiding film 32 that is not provided with the convex light incident portion R1 is further subjected to a perforation process to form a plurality of perforations K0, the plurality of perforations.
  • K0 constitutes a mesh hole. Therefore, when light is transmitted through the light guiding film 32, reflection and refraction are performed by the plurality of perforations K0, the divergence of the light is enhanced, and the light guiding effect of the light guiding film 32 is enhanced.
  • the size of the plurality of through holes K0 is much smaller than the size of the light guiding film 32.
  • the diameter of the through holes K0 is smaller than 1/10 of the length in any direction of the light guiding film 31.
  • the plurality of perforations K0 may be a regular arrangement, for example, a matrix arrangement. In some embodiments, the plurality of perforations K0 can be a cluttered arrangement.
  • the light guiding film 32 includes the first light guiding film portion 301 and the second light guiding film portion 302
  • the plurality of through holes K0 are located in the first body 310 of the first light guiding film portion 301 and the The second light guiding film portion 302 is on the second body 320.
  • the convex light incident portion R1 may be located at a middle position of the long side of the light guiding film 32 and extend between the two narrow sides of the light guiding film 32 .
  • FIG. 7 is an overall schematic diagram showing a schematic partial structure of the electronic device 100 from another perspective.
  • FIG. 8 is an exploded perspective view showing a schematic partial structure of the electronic device 100 from another perspective.
  • a groove C1 for accommodating the light guiding structure 3 is formed on the frame 2 .
  • the other surface of the light shielding adhesive 34 is bonded to the bottom surface M1 of the groove C1 of the frame 2 to close the light guiding structure 3 It is fixed in the groove C1 of the bezel 2.
  • one surface of the first light-shielding rubber portion 341 and the second light-shielding rubber portion 343 are respectively attached to corresponding positions of the light-guiding film 32 where the convex light-injecting portion R0 is not provided, for example, respectively.
  • the outer surface of the transparent decorative member 31 of the light guiding structure 3 is combined with the outer surface of the frame 2 to form a flat frame 2.
  • the first light shielding rubber portion 341 is in the first light guiding film portion 301.
  • the projection on the first body 310 coincides with the first body 310
  • the projection of the second opaque portion 343 on the second body 320 of the second light guiding film portion 302 coincides with the second body 320 . That is, the first visor portion 341 is the same size and shape as the first body 310 of the first light guiding film portion 301, and the second opaque portion 343 and the second light guiding film portion 302 are The second body 320 is the same size and shape.
  • the transparent decorative member 31 and the light guiding film 32 are also the same size and shape, and the transparent decorative member 31 and the light guiding film 32 are coincident along the projection in the stacking direction. In some embodiments, the transparent decorative member 31 and the light guiding film 32 have an elongated elliptical shape and are approximately an inscribed ellipse of the bezel 2 .
  • the frame 2 is provided with a frame hole K2 , and the position of the frame hole K2 corresponds to the position of the convex light incident portion R1 of the light guiding film 32 .
  • the electronic device 100 includes the illuminating light source 4, and the illuminating light source 4 includes a illuminating lamp L1 disposed adjacent to the frame hole K2.
  • the frame hole K2 is a hole penetrating the frame 2 .
  • the raised light incident portion R0 extends through the frame hole K2 and protrudes into the interior of the casing 1.
  • the light-emitting lamp L1 is disposed adjacent to the convex light-incident portion R0, and is adjacent to the convex light-incident portion R0.
  • the light emitted by the light-emitting lamp L1 is conducted to the other positions of the light guiding film 32 through the convex light-input portion R0, thereby being guided to the transparent decorative member 31 through the light guiding film 32 and from the transparent decorative member. 31 is exported to give an indication of illumination.
  • the electronic device 100 further includes an interposer 5, a flexible circuit board 6, and a main circuit board 7.
  • the light-emitting lamp L1 is disposed on the adapter plate 5 and electrically connected to the adapter plate 5.
  • the surface of the adapter plate 5 is substantially parallel to the inner surface N1 of the frame 2, and the light-emitting lamp L1 is disposed.
  • the light-emitting lamp L1 is a side-emitting light that is opposite to a portion of the convex light-incident portion R1 that extends into the casing 1.
  • the flexible circuit board 6 is electrically connected to the adapter board 5 and the main circuit board 7, so that the light-emitting lamp L1 passes through the adapter board 5, the flexible circuit board 6, and the main circuit board. 7 is electrically connected, and electric energy can be obtained from the main circuit board 7 to emit light.
  • FIG. 9 is a schematic diagram showing parts of the main circuit board 7 of the electronic device 100 .
  • the electronic device 100 further includes a controller 71, a power source 8, and a power switch 9.
  • the controller 71, the power source 8 and the power switch 9 are all disposed on the main circuit board 7.
  • the power source 8 is configured to provide an operating voltage of the light-emitting lamp L1
  • the power switch 9 is electrically connected between the flexible circuit board 6 and the power source 8
  • the controller 71 is electrically connected to the power switch 9.
  • the connection is used to control the power switch 9 to be turned on or off, so that the power source 8 supplies power to the light-emitting lamp L1 or stops power supply.
  • the power source 8 can be a voltage point provided by a small battery such as a button battery or a battery of the electronic device 100, or can be a power management chip or the like.
  • the controller 71 controls the power switch 9 to be turned on when determining that a preset event occurs, thereby turning on the power supply path for the power supply 8 to supply power to the light-emitting lamp L1, so that the The illuminating lamp L1 is powered on and emits light, and is guided by the light guiding structure 3 to emit a light-emitting prompt.
  • the preset event includes an event such as a missed call event, an unread message (including a short message, news, etc.) event.
  • the controller 71 controls the power switch 9 to be turned on when receiving an open command of a specific application, thereby turning on the power supply path of the power supply 8 for powering the light L1.
  • the illuminating lamp L1 is powered on and emits light, and is guided by the light guiding structure 3 to emit light.
  • the specific application may be an application such as a flashlight, and the light emitted by the illumination lamp L1 may be used as an illumination lamp after being led out through the light guiding structure 3.
  • the controller 71 controls the power switch when detecting the operation of the electronic device 100 by the user after controlling the power switch 9 to be turned on when it is determined that a preset event occurs. 9 is turned off, thereby stopping the supply of power to the light-emitting lamp L1, and stopping the light-emitting prompt. For example, if the user unlocks the electronic device 100 or detects that the user picks up the electronic device 100 or the like through the motion sensor, the user has noticed the light-emitting prompt, and at this time, the power supply to the light-emitting lamp L1 is stopped, and the light-emitting is stopped. Prompt to avoid energy loss.
  • the controller 71 controls the power switch 9 to be turned off when receiving a shutdown command of a specific application, for example, when a shutdown command of an application such as turning off a flashlight is received, thereby stopping the illumination.
  • Lamp L1 is powered and stops emitting light.
  • FIG. 10 an equivalent schematic diagram of a circuit formed by the power source 8, the power switch 9, the flexible circuit board 6, the adapter board 5, and the light-emitting lamp L1.
  • the power switch 9 is electrically connected between the anode of the power source 8 and the anode access point 61 of the flexible circuit board 6.
  • the adapter board 5 is provided with a first wire X1.
  • the first wire X1 is connected between the positive electrode access point 61 and the positive electrode of the light-emitting lamp L1, and the negative electrode of the light-emitting lamp L1 is connected to the flexible circuit through a second wire X2 disposed on the adapter plate 5.
  • a negative access point 62 on the board 6, the negative access point 62 of the flexible circuit board 6 is connected to ground on the main circuit board 7, for example to the negative pole of the power supply 8.
  • the controller 71 controls the power switch 9 to be turned on, the power supply voltage of the power source 8 is respectively supplied to the positive power supply point 61 of the flexible circuit board 6 and the first wire X1.
  • the lamp L1 is illuminated such that the lamp L1 is electrically illuminated.
  • the power switch 9 can be a digital single-pole double-throw switch, or a semiconductor switch tube such as a MOS tube or a BJT tube.
  • the power switch 9 is a MOS transistor Q1.
  • the controller 71 is connected to the gate of the MOS transistor Q1, and the source and the drain of the MOS transistor Q1 are respectively connected. a positive pole of the power source 8 and a positive pole 61 of the flexible circuit board 6, the controller 71 controls the MOS transistor Q1 to be turned on by generating a first level signal to the MOS transistor Q1, and by generating The second level signal to the MOS transistor Q1 controls the MOS transistor Q1 to be turned off.
  • the MOS transistor Q1 is an NMOS transistor
  • the first level signal is a high level signal
  • the second level signal is a low level signal.
  • the MOS transistor Q1 is a PMOS transistor
  • the first level signal is a low level signal
  • the second level signal is a high level signal.
  • the light-emitting lamp L1 is a light-emitting diode (LED) lamp.
  • the frame hole K2 is disposed at a middle position of the frame 1.
  • the frame hole K2 may also be disposed at an end position of the bezel 1 to be kept with the light guiding film.
  • the position of the convex light incident portion R1 of 32 corresponds to.
  • the housing 1 is a middle frame, including at least three frames 2 and a back plate 21 connected to the three frames 2.
  • the light guiding structure 3 is disposed on a frame 2 disposed therein.
  • the backboard 21 is specifically connected to a position near the middle of the three frames 2 to form a carrier board located in the middle of the electronic device 100.
  • the backboard 21 has a recess 22 in which the main circuit board 7 is housed.
  • the housing 1 further includes a locking member 11 .
  • the locking member 11 includes a fixing portion 111 and a limiting portion 112.
  • the main circuit board 7 is disposed adjacent to the light guiding device.
  • a notch K3 is formed in the edge Y1 of the frame 2 of the structure 3, and the fixing portion 111 of the locking member 11 is fixed to the back plate 21 via the notch K3, and the limiting portion 112 is fixedly connected to the locking member 11 And extending to the side of the main circuit board 7 opposite to the back board 21, and fixing the main circuit board 7.
  • the other positions of the main circuit board 7 are also fixed to the backboard 21 by screwing or the like.
  • the limiting portion 112 is fixedly coupled to the fixing portion 111 via a connecting plate 113 parallel to the edge Y1 of the main circuit board 7.
  • the limiting portion 112 may specifically extend from the end region of the connecting plate 113 away from the side of the back plate 21 toward a distance away from the back plate 21 and then along the parallel back plate 21 .
  • the direction extends to the main circuit board 7 to be formed.
  • the bezel 2 provided with the light guiding structure 3 is a frame of the top of the casing 1.
  • the frame 2 provided with the light guiding structure 3 is a frame located at the top of the electronic device 100 when the electronic device 100 is placed. It is obvious that in other embodiments, the frame 2 provided with the light guiding structure 3 can also be the frame of the left side, the right side or the bottom of the housing 1 / electronic device 100 .
  • the housing 1 may be a rear case of the electronic device 100, including a back cover plate, and the four frames 2 may be perpendicular from the four sides of the back cover plate toward the back cover plate. Extend the four borders 2.
  • the electronic device 100 can be an electronic product such as a mobile phone or a tablet computer.
  • the electronic device 100 may also include other components, such as a memory, display screen, etc., which are not described herein because they are not related to the improvement of the present application.
  • the light guiding structure 3, the housing 1 and the electronic device 100 provided by the present application guide the light guiding structure 3 on the frame 1 of the housing 1 to guide the light emitted by the light source through the light guiding structure 3 on the frame 1.
  • the screen area ratio can be effectively increased without occupying the space of the front screen.
  • the convex light-in portion R1 on the surface F0 of the light-guiding film 32 on which the transparent decorative member 31 is not attached, the light enters the light from the protrusion.
  • the portion R1 enters the light guide film 32 is gradually weakened when it is conducted in a region outside the convex light incident portion R1, and exhibits an effect of gradation of the light emission luminance, thereby improving the display effect of the light emission.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)

Abstract

La présente invention concerne une structure de guide de lumière (3), comprenant : un élément décoratif transparent (31) et un film de guide de lumière (32) fixés conjointement. Une entrée de lumière saillante (R1) est disposée sur une surface (F0) du film de guide de lumière (32) non fixée à l'élément décoratif transparent (31). L'entrée de lumière saillante (R1) est utilisée pour guider la lumière émise par une source d'émission de lumière (4), de sorte que la lumière, après avoir pénétré par l'entrée de lumière saillante (R1), traverse des régions du film de guide de lumière (32) autres que l'entrée de lumière saillante (R1) et est transmise à l'élément décoratif transparent (31), puis sort de l'élément décoratif transparent (31). Dans la structure de guide de lumière (3), le boîtier (1) et le dispositif électronique (100) selon la présente invention, la structure de guide de lumière (3) est disposée sur un cadre (2) du boîtier (1) de sorte que la lumière émise par la source d'émission de lumière (4) soit guidée de façon à sortir de la structure de guide de lumière (3) sur le cadre (2), de façon à libérer un espace d'écran avant et augmenter efficacement le rapport écran-corps. En outre, la lumière, après avoir pénétré par l'entrée de lumière saillante (R1), s'atténue progressivement lorsqu'elle est transmise aux régions du film de guide de lumière (32) autres que l'entrée de lumière saillante (R1), de façon à produire un changement progressif de luminosité et améliorer l'éclairage d'affichage.
PCT/CN2019/072695 2018-04-19 2019-01-22 Structure de guide de lumière, boîtier et dispositif électrique Ceased WO2019200992A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201820568894.8U CN208384164U (zh) 2018-04-19 2018-04-19 导光结构、壳体及电子装置
CN201820568894.8 2018-04-19
CN201810359399.0 2018-04-19
CN201810359399.0A CN108508526A (zh) 2018-04-19 2018-04-19 导光结构、壳体及电子装置

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WO2019200992A1 true WO2019200992A1 (fr) 2019-10-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI784403B (zh) * 2021-01-28 2022-11-21 啓碁科技股份有限公司 電子裝置及其光指示模組

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