KR101183411B1 - 액정표시장치 및 그 구동방법 - Google Patents
액정표시장치 및 그 구동방법 Download PDFInfo
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- KR101183411B1 KR101183411B1 KR1020050135585A KR20050135585A KR101183411B1 KR 101183411 B1 KR101183411 B1 KR 101183411B1 KR 1020050135585 A KR1020050135585 A KR 1020050135585A KR 20050135585 A KR20050135585 A KR 20050135585A KR 101183411 B1 KR101183411 B1 KR 101183411B1
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- liquid crystal
- light
- substrate
- backlight unit
- sensor
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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
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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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
- G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night
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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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/58—Arrangements comprising a monitoring photodetector
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0456—Pixel structures with a reflective area and a transmissive area combined in one pixel, such as in transflectance pixels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
또한, 상기 제 2 반도체층(283) 상에는 소스/드레인 전극이 교대로 형성되어 있다.
Claims (9)
- 화상을 표시하는 표시영역과 비표시 영역으로 구분된 제 1 기판, 액정층 및 제 2 기판을 포함하는 액정패널;상기 제 1 기판의 배면에 배치되어 광을 조사하는 백라이트 유닛;상기 제 1 기판의 제 1 영역에 배치되어 외부 광을 감지하는 제 1 센서; 및상기 제 1 기판의 제 2 영역에 배치되어 상기 백라이트 유닛의 광을 감지하는 제 2 센서를 포함하고,상기 제 1 및 제 2 센서는 각각 제 1 게이트 전극, 제 1 반도체층 및 제 1 소스/드레인 전극과, 제 2 게이트 전극, 제 2 반도체층 및 제 2 소스/드레인 전극으로 구성되며, 상기 제 1 및 제 2 반도체층은 조사되는 광의 세기에 따라 전류량이 변화하고,상기 백라이트 유닛의 광을 감지하는 제 2 센서는 상기 제 2 게이트 전극이 제 1 기판 상에 형성되고, 중앙에 홀이 형성되며, 상기 제 2 게이트 전극의 홀 영역에는 제 2 반도체층이 상기 제 1 기판과 직접 콘택되도록 형성된 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 제 1 및 제 2 센서의 출력을 비교하는 비교부; 및상기 비교 결과에 따라 상기 백라이트 유닛을 제어하는 제어부를 더 포함하는 것을 특징으로 하는 액정표시장치.
- 제 2 항에 있어서,상기 제어부는 상기 제 1 센서의 출력이 상기 제 2 센서의 출력보다 작은 경우, 상기 백라이트 유닛의 동작을 그대로 유지하는 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 제 1 및 제 2 영역은 상기 액정패널의 비표시 영역에 배치되는 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 제 2 기판에는 광을 차단하는 블랙매트릭스가 형성되고, 상기 제 1 센서와 대응되는 영역의 상기 제 2 기판에는 외부 광이 입사되도록 상기 블랙매트릭스의 일부가 제거되는 것을 특징으로 하는 액정표시장치.
- 삭제
- 삭제
- 삭제
- 삭제
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050135585A KR101183411B1 (ko) | 2005-12-30 | 2005-12-30 | 액정표시장치 및 그 구동방법 |
| US11/638,386 US8154504B2 (en) | 2005-12-30 | 2006-12-14 | Liquid crystal display device capable of automatically switching to a mode and method for driving the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050135585A KR101183411B1 (ko) | 2005-12-30 | 2005-12-30 | 액정표시장치 및 그 구동방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070071807A KR20070071807A (ko) | 2007-07-04 |
| KR101183411B1 true KR101183411B1 (ko) | 2012-09-14 |
Family
ID=38223953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020050135585A Active KR101183411B1 (ko) | 2005-12-30 | 2005-12-30 | 액정표시장치 및 그 구동방법 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US8154504B2 (ko) |
| KR (1) | KR101183411B1 (ko) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101177579B1 (ko) * | 2005-12-30 | 2012-08-27 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 구동방법 |
| JP2009112488A (ja) * | 2007-11-06 | 2009-05-28 | Seiko Epson Corp | 画像表示装置および遊技機 |
| EP2075787A3 (en) * | 2007-12-26 | 2010-07-07 | TPO Displays Corp. | Display devices with ambient light sensing |
| EP2234100B1 (en) | 2009-03-26 | 2016-11-02 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device |
| JP4919303B2 (ja) * | 2009-04-02 | 2012-04-18 | 奇美電子股▲ふん▼有限公司 | ディスプレイ装置及びこれを備える電子機器 |
| DE102012201978A1 (de) * | 2012-02-10 | 2013-08-14 | Robert Bosch Gmbh | Verfahren zum Auslesen einer Lichtsensorsteuereinrichtung sowie Vorrichtung zum Auslesen einer Lichtsensorsteuereinrichtung |
| CN108877688A (zh) * | 2017-05-12 | 2018-11-23 | 京东方科技集团股份有限公司 | 背光亮度控制方法及装置 |
| CN112987419B (zh) * | 2021-04-13 | 2023-09-15 | 成都天马微电子有限公司 | 一种显示装置及其制造方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000122574A (ja) | 1998-10-20 | 2000-04-28 | Casio Comput Co Ltd | 表示装置 |
| JP2002174806A (ja) | 2000-09-12 | 2002-06-21 | Fuji Photo Film Co Ltd | 画像表示装置 |
| JP2004078160A (ja) | 2002-06-17 | 2004-03-11 | Fuji Photo Film Co Ltd | 画像表示装置 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6952195B2 (en) * | 2000-09-12 | 2005-10-04 | Fuji Photo Film Co., Ltd. | Image display device |
| US6710831B1 (en) * | 2000-09-29 | 2004-03-23 | Rockwell Scientific Licensing, Llc | High brightness transflective LCD and method using tunable mirror |
| US6447132B1 (en) * | 2001-02-20 | 2002-09-10 | Delphi Technologies, Inc. | Day/night HUD backlighting system |
| US20030210221A1 (en) * | 2002-05-08 | 2003-11-13 | Milivoje Aleksic | Portable device for providing LCD display and method thereof |
| US7609360B2 (en) * | 2002-06-17 | 2009-10-27 | Fujifilm Corporation | Image display device |
| TWI229764B (en) * | 2003-05-14 | 2005-03-21 | Au Optronics Corp | A transflective liquid crystal display device |
| KR100957585B1 (ko) * | 2003-10-15 | 2010-05-13 | 삼성전자주식회사 | 광 감지부를 갖는 전자 디스플레이 장치 |
| KR20050045433A (ko) * | 2003-11-11 | 2005-05-17 | 삼성전자주식회사 | 표시장치 |
| JP4612406B2 (ja) * | 2004-02-09 | 2011-01-12 | 株式会社日立製作所 | 液晶表示装置 |
| EP1605342A3 (en) * | 2004-06-10 | 2010-01-20 | Samsung Electronics Co, Ltd | Display device and driving method thereof |
| US20060022934A1 (en) * | 2004-07-30 | 2006-02-02 | Microsoft Corporation | Methods and apparatus for implementing transmissive display devices |
| GB0422347D0 (en) * | 2004-10-08 | 2004-11-10 | Koninkl Philips Electronics Nv | Transflective liquid crystal display device |
| US8279158B2 (en) * | 2005-02-28 | 2012-10-02 | Research In Motion Limited | Dual-function light guide for LCD backlight |
| KR101189268B1 (ko) * | 2005-03-08 | 2012-10-09 | 삼성디스플레이 주식회사 | 액정 표시 장치용 박막 표시판 및 구동 장치와 이를 포함하는 액정 표시 장치 |
| JP2009519486A (ja) * | 2005-12-13 | 2009-05-14 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 周囲光の検出を伴う表示装置 |
| KR101256663B1 (ko) * | 2005-12-28 | 2013-04-19 | 엘지디스플레이 주식회사 | 액정표시장치와 그의 제조 및 구동방법 |
| US7825891B2 (en) * | 2006-06-02 | 2010-11-02 | Apple Inc. | Dynamic backlight control system |
| JP2008191445A (ja) * | 2007-02-06 | 2008-08-21 | Epson Imaging Devices Corp | 表示装置 |
-
2005
- 2005-12-30 KR KR1020050135585A patent/KR101183411B1/ko active Active
-
2006
- 2006-12-14 US US11/638,386 patent/US8154504B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000122574A (ja) | 1998-10-20 | 2000-04-28 | Casio Comput Co Ltd | 表示装置 |
| JP2002174806A (ja) | 2000-09-12 | 2002-06-21 | Fuji Photo Film Co Ltd | 画像表示装置 |
| JP2004078160A (ja) | 2002-06-17 | 2004-03-11 | Fuji Photo Film Co Ltd | 画像表示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070071807A (ko) | 2007-07-04 |
| US20070153157A1 (en) | 2007-07-05 |
| US8154504B2 (en) | 2012-04-10 |
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