KR20140107902A - 조명 장치 - Google Patents
조명 장치 Download PDFInfo
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- KR20140107902A KR20140107902A KR1020130022088A KR20130022088A KR20140107902A KR 20140107902 A KR20140107902 A KR 20140107902A KR 1020130022088 A KR1020130022088 A KR 1020130022088A KR 20130022088 A KR20130022088 A KR 20130022088A KR 20140107902 A KR20140107902 A KR 20140107902A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/62—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using mixing chambers, e.g. housings with reflective walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements
- F21Y2105/12—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
도 2는 도 1에 도시된 조명 장치의 단면도를 나타낸다.
도 3은 도 1에 도시된 광원의 광도 특성을 나타내는 그래프이다.
도 4는 도 2에 도시된 광원들 사이의 피치, 광원과 광확산판 사이의 거리, 및 최대 광도의 각도 사이의 상관 관계를 설명하기 위한 도면이다.
도 5a 및 도 b는 도 1에 도시된 조명 장치의 휘도 측정을 설명하기 위한 도면이다.
도 6은 도 5a 및 도 5b에 도시된 휘도 측정에 대한 시뮬레이션 결과를 나타내는 표이다.
도 7은 다른 실시 예에 따른 조명 장치를 나타낸다.
도 8은 도 7에 도시된 조명 장치에 대한 휘도 시뮬레이션 결과를 나타낸다.
도 9a는 단일 광원의 휘도 특성의 일 실시 예를 나타낸다.
도 9b 및 도 9c는 도 9a에 도시된 광원이 복수 개일 때의 휘도 특성을 나타낸다.
도 10은 도 1에 도시된 발광 모듈의 일 실시 예를 나타낸다.
도 11는 도 10에 도시된 발광 모듈의 AA' 방향의 단면도를 나타낸다.
30: 전원 공급 장치 40: 광확산판
50: 고정 부재.
Claims (7)
- 하부판 및 측부판을 포함하는 하우징; 및
상기 하부판 상에 배치되는 기판, 및 상기 기판 상에 이격하여 배치되는 광원들을 포함하는 발광 모듈을 포함하며,
상기 측부판의 높이는 인접하는 광원들 사이의 이격 거리를 상기 광원의 최대 광도의 각도에 대한 탄젠트 값과 휘도 보상 인자를 곱한 값으로 나눈 값으로 결정되는 조명 장치. - 제1항에 있어서,
상기 휘도 보상 인자는 광원의 크기가 증가함에 따라 선형적으로 감소하는 조명 장치. - 제1항에 있어서,
상기 휘도 보상 인자는 상기 광원의 직경에 -0.1을 곱한 값에 1.6을 더한 값인 조명 장치. - 제3항에 있어서,
상기 측부판 상단에 배치되고, 상기 복수의 광원들로부터 조사되는 광을 확산시키는 광확산판을 더 포함하는 조명 장치. - 제1항에 있어서,
상기 하우징을 위에서 바라본 형상은 가로 길이가 세로 길이보다 긴 직사각형 형상이거나, 가로 길이와 세로 길이가 동일한 정사각형인 조명 장치. - 제5항에 있어서,
상기 인접하는 광원들 사이의 이격 거리는 상기 하우징의 가로의 길이를 광원들의 개수로 나눈 값인 조명 장치. - 제4항에 있어서,
상기 측부판의 높이는 상기 광원과 상기 광확산판 사이의 거리를 상기 휘도 보상 인자로 나눈 값인 조명 장치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130022088A KR102066614B1 (ko) | 2013-02-28 | 2013-02-28 | 조명 장치 |
| EP14156408.8A EP2772681B1 (en) | 2013-02-28 | 2014-02-24 | Illuminating apparatus |
| US14/189,592 US20140240282A1 (en) | 2013-02-28 | 2014-02-25 | Method for driving touch panel |
| US14/189,233 US9404626B2 (en) | 2013-02-28 | 2014-02-25 | Illuminating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130022088A KR102066614B1 (ko) | 2013-02-28 | 2013-02-28 | 조명 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20140107902A true KR20140107902A (ko) | 2014-09-05 |
| KR102066614B1 KR102066614B1 (ko) | 2020-01-15 |
Family
ID=50238111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020130022088A Expired - Fee Related KR102066614B1 (ko) | 2013-02-28 | 2013-02-28 | 조명 장치 |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US20140240282A1 (ko) |
| EP (1) | EP2772681B1 (ko) |
| KR (1) | KR102066614B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180067902A (ko) * | 2016-12-13 | 2018-06-21 | 주식회사 실리콘웍스 | 화소센싱장치 및 패널구동장치 |
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| KR101680939B1 (ko) * | 2014-08-29 | 2016-11-29 | 주식회사 동부하이텍 | 터치 패널 스캐닝 방법 및 이를 수행하기 위한 터치 집적 회로 |
| US9857925B2 (en) * | 2014-09-30 | 2018-01-02 | Synaptics Incorporated | Combining sensor electrodes in a matrix sensor |
| TWM514536U (zh) * | 2015-07-01 | 2015-12-21 | Lextar Electronics Corp | 平板燈 |
| US10317018B2 (en) * | 2015-09-01 | 2019-06-11 | Lg Innotek Co., Ltd. | Lighting device |
| US9983748B2 (en) * | 2016-02-17 | 2018-05-29 | Atmel Corporation | Connecting electrodes to voltages |
| JP6728931B2 (ja) * | 2016-04-21 | 2020-07-22 | セイコーエプソン株式会社 | 光源装置およびプロジェクター |
| CN209325597U (zh) * | 2019-03-18 | 2019-08-30 | 欧普照明股份有限公司 | 吸顶灯及底盘 |
| KR102782933B1 (ko) * | 2019-10-21 | 2025-03-19 | 삼성전자주식회사 | 직하형 백라이트장치 및 이를 구비한 디스플레이장치 |
| US11435061B2 (en) * | 2020-10-29 | 2022-09-06 | Ch Lighting Technology Co., Ltd. | Direct-type panel lamp |
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| KR101318447B1 (ko) * | 2012-03-20 | 2013-10-16 | 엘지디스플레이 주식회사 | 터치 센싱 장치와 그 더블 샘플링 방법 |
| JP6032657B2 (ja) * | 2012-04-27 | 2016-11-30 | パナソニックIpマネジメント株式会社 | 触感呈示装置、触感呈示方法、駆動信号生成装置および駆動信号生成方法 |
| KR101397847B1 (ko) * | 2012-07-09 | 2014-06-27 | 삼성전기주식회사 | 정전용량 감지 장치, 정전용량 감지 방법 및 터치스크린 장치 |
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2013
- 2013-02-28 KR KR1020130022088A patent/KR102066614B1/ko not_active Expired - Fee Related
-
2014
- 2014-02-24 EP EP14156408.8A patent/EP2772681B1/en not_active Not-in-force
- 2014-02-25 US US14/189,592 patent/US20140240282A1/en not_active Abandoned
- 2014-02-25 US US14/189,233 patent/US9404626B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090131886A (ko) * | 2008-06-19 | 2009-12-30 | 삼성전기주식회사 | 면 광원 장치 및 이를 구비하는 백라이트 유닛 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180067902A (ko) * | 2016-12-13 | 2018-06-21 | 주식회사 실리콘웍스 | 화소센싱장치 및 패널구동장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9404626B2 (en) | 2016-08-02 |
| US20140240978A1 (en) | 2014-08-28 |
| EP2772681A1 (en) | 2014-09-03 |
| EP2772681B1 (en) | 2016-10-12 |
| KR102066614B1 (ko) | 2020-01-15 |
| US20140240282A1 (en) | 2014-08-28 |
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