KR20050026353A - 액정 표시 장치 - Google Patents
액정 표시 장치 Download PDFInfo
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- KR20050026353A KR20050026353A KR1020040071559A KR20040071559A KR20050026353A KR 20050026353 A KR20050026353 A KR 20050026353A KR 1020040071559 A KR1020040071559 A KR 1020040071559A KR 20040071559 A KR20040071559 A KR 20040071559A KR 20050026353 A KR20050026353 A KR 20050026353A
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- liquid crystal
- control element
- crystal display
- polarization control
- ellipticity
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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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
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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
-
- 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
- G02F1/133528—Polarisers
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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
- G02F1/133553—Reflecting elements
- G02F1/133555—Transflectors
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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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133633—Birefringent elements, e.g. for optical compensation using mesogenic materials
-
- 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
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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
- G02F2203/00—Function characteristic
- G02F2203/66—Normally white display, i.e. the off state being white
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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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/04—Number of plates greater than or equal to 4
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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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/08—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates with a particular optical axis orientation
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Abstract
Description
Claims (15)
- 매트릭스 형상으로 배치된 복수의 화소의 각각에 반사부 및 투과부를 갖는 액정 표시 장치에 있어서,상호 대향하여 배치된 제1 기판과 제2 기판과의 사이에 액정층을 보유한 액정 표시 패널과,상기 제1 기판의 상기 액정층을 보유하는 면과는 반대의 외면에 설치된 제1 편광 제어 소자와,상기 제2 기판의 상기 액정층을 보유하는 면과는 반대의 외면에 설치된 제2 편광 제어 소자를 구비하며,상기 제1 편광 제어 소자 및 상기 제2 편광 제어 소자는, 상기 액정층에 타원 편광의 편광 상태를 갖는 광이 입사하도록, 이들을 통과하는 광의 편광 상태를 제어하고,또한, 상기 액정 표시 패널에 대하여 주시각 방향으로 입사하는 타원 편광의 타원율은, 반주시각 방향으로 입사하는 타원 편광의 타원율보다 큰 것을 특징으로 하는 액정 표시 장치.
- 제1항에 있어서,상기 액정 표시 패널에 입사하는 타원 편광의 타원율 분포는, 상기 액정 표시 패널의 법선 방향을 기준으로 하여 주시각 방향과 반주시각 방향에서 비대칭인 것을 특징으로 하는 액정 표시 장치.
- 제1항에 있어서,상기 액정 표시 패널에 입사하는 타원 편광의 타원율 분포는, 주시각 방향에서 타원율의 최대값을 갖는 것을 특징으로 하는 액정 표시 장치.
- 제1항에 있어서,상기 제1 편광 제어 소자 및 상기 제2 편광 제어 소자의 각각은, 적어도 1개의 편광판과, 적어도 1개의 위상차판으로 구성된 것을 특징으로 하는 액정 표시 장치.
- 제4항에 있어서,상기 위상차판은, 소정 파장의 광에 대하여 정상 광선과 이상 광선과의 사이에 1/4 파장의 위상차를 부여하는 1/4 파장판인 것을 특징으로 하는 액정 표시 장치.
- 제4항에 있어서,상기 제1 편광 제어 소자 및 상기 제2 편광 제어 소자에서는, 상기 편광판의 흡수축과 상기 위상차판의 지상축이 이루는 예각의 각도는, 25도 이상 70도 이하의 범위에 있는 것을 특징으로 하는 액정 표시 장치.
- 제1항에 있어서,상기 제1 편광 제어 소자 측으로부터 상기 액정 표시 패널을 조명하는 백라이트 유닛을 더 구비하는 것을 특징으로 하는 액정 표시 장치.
- 제1항에 있어서,표시 모드가 노멀 화이트인 것을 특징으로 하는 액정 표시 장치.
- 제1항에 있어서,상기 제1 편광 제어 소자 및 상기 제2 편광 제어 소자 중 적어도 한쪽은, 2축성의 위상차판을 포함하는 것을 특징으로 하는 액정 표시 장치.
- 제1항에 있어서,상기 제1 편광 제어 소자 및 상기 제2 편광 제어 소자 중 적어도 한쪽은, 액정 분자를 하이브리드 배향시킨 액정 필름을 포함하는 것을 특징으로 하는 액정 표시 장치.
- 제1항에 있어서,상기 제1 편광 제어 소자는, 1개의 편광판과, 소정 파장의 광에 대하여 정상 광선과 이상 광선과의 사이에 1/4 파장의 위상차를 부여하는 1축성의 1/4 파장판과, 액정 분자를 하이브리드 배향시킨 액정 필름으로 구성되고,상기 제2 편광 제어 소자는, 1개의 편광판과, 1축성의 1/4 파장판으로 구성된 것을 특징으로 하는 액정 표시 장치.
- 제1항에 있어서,상기 제1 편광 제어 소자는, 1개의 편광판과, 소정 파장의 광에 대하여 정상 광선과 이상 광선과의 사이에 1/4 파장의 위상차를 부여하는 2축성의 1/4 파장판과, 액정 분자를 하이브리드 배향시킨 액정 필름으로 구성되고,상기 제2 편광 제어 소자는, 1개의 편광판과, 1축성의 1/4 파장판으로 구성된 것을 특징으로 하는 액정 표시 장치.
- 매트릭스 형상으로 배치된 복수의 화소의 각각에 반사부 및 투과부를 갖는 액정 표시 장치에 있어서,상호 대향하여 배치된 제1 기판과 제2 기판과의 사이에 액정층을 보유한 액정 표시 패널과,상기 제1 기판의 상기 액정층을 보유하는 면과는 반대의 외면에 설치된 제1 편광 제어 소자와,상기 제2 기판의 상기 액정층을 보유하는 면과는 반대의 외면에 설치된 제2 편광 제어 소자를 구비하고,상기 제1 편광 제어 소자 및 상기 제2 편광 제어 소자는, 상기 액정층에 타원 편광의 편광 상태를 갖는 광이 입사하도록, 이들을 통과하는 광의 편광 상태를 제어하고,또한, 상기 액정 표시 패널에 대하여 주시각 방향으로 입사하는 타원 편광의 타원율은 0.45 이상인 것을 특징으로 하는 액정 표시 장치.
- 제13항에 있어서,상기 제1 편광 제어 소자 및 상기 제2 편광 제어 소자의 각각은, 1개의 편광판과, 소정 파장의 광에 대하여 정상 광선과 이상 광선과의 사이에 1/4 파장의 위상차를 부여하는 1축성의 1/4 파장판으로 구성된 것을 특징으로 하는 액정 표시 장치.
- 제14항에 있어서,상기 제1 편광 제어 소자 및 상기 제2 편광 제어 소자에서는, 상기 편광판의 흡수축과 상기 위상차판의 지상축이 이루는 예각의 각도는, 25도 이상 70도 이하의 범위에 있는 것을 특징으로 하는 액정 표시 장치.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2003-00317164 | 2003-09-09 | ||
JP2003317164 | 2003-09-09 | ||
JP2004248754A JP2005107501A (ja) | 2003-09-09 | 2004-08-27 | 液晶表示装置 |
JPJP-P-2004-00248754 | 2004-08-27 |
Publications (2)
Publication Number | Publication Date |
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KR20050026353A true KR20050026353A (ko) | 2005-03-15 |
KR100725196B1 KR100725196B1 (ko) | 2007-06-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020040071559A Expired - Fee Related KR100725196B1 (ko) | 2003-09-09 | 2004-09-08 | 액정 표시 장치 |
Country Status (5)
Country | Link |
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US (1) | US7072009B2 (ko) |
JP (1) | JP2005107501A (ko) |
KR (1) | KR100725196B1 (ko) |
CN (1) | CN100345043C (ko) |
TW (1) | TWI254161B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100950358B1 (ko) * | 2006-12-19 | 2010-03-29 | 도시바 모바일 디스플레이 가부시키가이샤 | 액정 디스플레이 디바이스 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2005107501A (ja) | 2003-09-09 | 2005-04-21 | Toshiba Matsushita Display Technology Co Ltd | 液晶表示装置 |
TWI308247B (en) * | 2004-03-24 | 2009-04-01 | Toppoly Optoelectronics Corp | Transflective liquid crystal display and method of fabricating the same |
JP4649149B2 (ja) * | 2004-09-07 | 2011-03-09 | 東芝モバイルディスプレイ株式会社 | 液晶表示装置 |
JP4784972B2 (ja) * | 2005-04-26 | 2011-10-05 | 日東電工株式会社 | 光学フィルム、液晶パネル、および液晶表示装置 |
JP2007156085A (ja) * | 2005-12-05 | 2007-06-21 | Toshiba Matsushita Display Technology Co Ltd | 液晶表示装置 |
JP5301080B2 (ja) * | 2005-12-26 | 2013-09-25 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
TW200745689A (en) * | 2006-06-06 | 2007-12-16 | Toppoly Optoelectronics Corp | Systems for displaying images |
US7589811B2 (en) * | 2006-12-19 | 2009-09-15 | Toshiba Matsushita Display Technology Co., Ltd. | Liquid crystal display device |
JP4878306B2 (ja) * | 2007-02-09 | 2012-02-15 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
US20090161044A1 (en) * | 2007-12-21 | 2009-06-25 | Zhibing Ge | Wide viewing angle circular polarizers |
JP5380387B2 (ja) | 2010-07-22 | 2014-01-08 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
DE102014009972B3 (de) * | 2014-06-27 | 2015-12-31 | e.solutions GmbH | Blickwinkeloptimierter Polarisator, insbesondere zur Verwendung als Teil einer optischen Anzeige in einem Kraftfahrzeug |
JP6437854B2 (ja) * | 2015-03-17 | 2018-12-12 | 日東電工株式会社 | 液晶パネルおよび液晶表示装置 |
CN110908169B (zh) * | 2018-09-14 | 2022-10-04 | 夏普株式会社 | 液晶显示面板 |
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---|---|---|---|---|
JPH01270024A (ja) | 1988-04-22 | 1989-10-27 | Toshiba Corp | 液晶表示素子 |
US5499126A (en) * | 1993-12-02 | 1996-03-12 | Ois Optical Imaging Systems, Inc. | Liquid crystal display with patterned retardation films |
JPH0954317A (ja) * | 1995-08-15 | 1997-02-25 | Casio Comput Co Ltd | 反射型液晶表示装置 |
TW332870B (en) * | 1995-08-17 | 1998-06-01 | Toshiba Co Ltd | LCD and optical anisotropy device |
TW515925B (en) * | 1996-12-25 | 2003-01-01 | Sharp Kk | Liquid crystal display device |
JP2001356344A (ja) * | 2000-06-15 | 2001-12-26 | Sharp Corp | 液晶表示装置 |
JP3998897B2 (ja) * | 2000-08-11 | 2007-10-31 | セイコーエプソン株式会社 | 液晶表示装置 |
JP2003098521A (ja) | 2001-09-19 | 2003-04-03 | Toshiba Corp | 液晶表示装置 |
JP4302385B2 (ja) * | 2001-10-22 | 2009-07-22 | 三星電子株式会社 | 反射率向上のための液晶表示装置及びその製造方法 |
JP3956668B2 (ja) | 2001-10-24 | 2007-08-08 | セイコーエプソン株式会社 | 液晶表示装置及び電子機器 |
JP2005107501A (ja) | 2003-09-09 | 2005-04-21 | Toshiba Matsushita Display Technology Co Ltd | 液晶表示装置 |
-
2004
- 2004-08-27 JP JP2004248754A patent/JP2005107501A/ja active Pending
- 2004-09-07 US US10/934,433 patent/US7072009B2/en not_active Expired - Lifetime
- 2004-09-08 TW TW093127196A patent/TWI254161B/zh not_active IP Right Cessation
- 2004-09-08 KR KR1020040071559A patent/KR100725196B1/ko not_active Expired - Fee Related
- 2004-09-09 CN CNB2004100899521A patent/CN100345043C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100950358B1 (ko) * | 2006-12-19 | 2010-03-29 | 도시바 모바일 디스플레이 가부시키가이샤 | 액정 디스플레이 디바이스 |
Also Published As
Publication number | Publication date |
---|---|
US20050052591A1 (en) | 2005-03-10 |
CN1624541A (zh) | 2005-06-08 |
US7072009B2 (en) | 2006-07-04 |
TWI254161B (en) | 2006-05-01 |
KR100725196B1 (ko) | 2007-06-07 |
CN100345043C (zh) | 2007-10-24 |
TW200530662A (en) | 2005-09-16 |
JP2005107501A (ja) | 2005-04-21 |
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