JPWO2014042073A1 - 液晶表示装置 - Google Patents
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- 229910007541 Zn O Inorganic materials 0.000 claims description 2
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- 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
- G09G3/36—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 using liquid crystals
- G09G3/3607—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 using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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- 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
- G09G3/36—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 using liquid crystals
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- 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
- G09G3/36—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 using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3659—Control of matrices with row and column drivers using an active matrix the addressing of the pixel involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependant on signal of two data electrodes
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- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/028—Improving the quality of display appearance by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
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- G—PHYSICS
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- 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
- G09G3/36—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 using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
Abstract
Description
15 制御回路
20 明暗分割制御回路
22R、22G、22B 原色明暗分割制御回路
100 液晶表示装置
Claims (11)
- 行および列を有するマトリクス状に配列された複数の画素と、
前記複数の画素が呈すべき階調を与える入力表示信号を受けて、前記複数の画素のそれぞれに表示信号電圧を供給する制御回路とを有する液晶表示装置であって、
前記複数の画素は、複数のカラー表示画素を形成し、前記複数のカラー表示画素のそれぞれは異なる色を呈する3以上の画素を有し、
前記複数の画素のそれぞれは、第1TFTを介して第1ソースバスラインに電気的に接続された第1副画素と、第2TFTを介して第2ソースバスラインに電気的に接続された第2副画素とを有し、
前記制御回路は、前記入力表示信号によって与えられる前記複数の画素の内の任意のある画素が呈すべき階調および、前記任意のある画素が属するカラー表示画素に含まれる残りの2以上の画素が呈すべき階調に基づいて、前記任意のある画素の前記第1副画素および第2副画素にそれぞれ供給する第1表示信号電圧および第2表示信号電圧を生成し、前記第1ソースバスラインおよび前記第2ソースバスラインにそれぞれ出力するように構成されている、液晶表示装置。 - 前記制御回路は、前記任意のある画素が呈すべきある1つの階調について、前記残りの2以上の画素が呈すべき階調に応じて、2つ以上の異なる絶対値を有する前記第1表示信号電圧および前記第2表示信号電圧を生成することができる、請求項1に記載の液晶表示装置。
- 前記複数のカラー表示画素の内の任意のあるカラー表示画素が、第1画素から第m画素までのm個の画素を含み、ここでmは3以上の整数であって、前記第1画素から前記第m画素までの各画素の呈すべき階調をそれぞれ第1階調GL1から第m階調GLmとし、
前記第1画素から前記第m画素がそれぞれ前記第1階調GL1から前記第m階調GLmを呈した際のそれぞれの正面視角における輝度を最高階調を呈した際の正面視角における輝度を1として規格化した輝度を第1正面規格化輝度NL1から第m正面規格化輝度NLmとし、斜め60°視角における輝度を最高階調を呈した際の斜め60°視角における輝度を1として規格化した輝度を第1斜め視角規格化輝度IL1から第m斜め視角規格化輝度ILmとするとき、
前記制御回路は、前記第1正面規格化輝度NL1から前記第m正面規格化輝度NLmを、前記第1正面規格化輝度NL1から前記第m正面規格化輝度NLmの内で最も大きい値で規格化したそれぞれの正面画素間輝度比と、前記第1斜め視角規格化輝度IL1から前記第m斜め視角規格化輝度ILmを、前記第1斜め視角規格化輝度IL1から前記第m斜め視角規格化輝度ILmの内で最も大きい値で規格化したそれぞれの斜め60°画素間輝度比との差の最大値が、0.25以下となるように、前記第1画素から前記第m画素のそれぞれの前記第1副画素および前記第2副画素にそれぞれ供給する前記第1表示信号電圧および前記第2表示信号電圧を生成するように構成されている、請求項1または2に記載の液晶表示装置。 - 前記複数のカラー表示画素の内の任意のあるカラー表示画素が、第1画素から第m画素までのm個の画素を含み、ここでmは3以上の整数であって、前記第1画素から前記第m画素までの各画素の呈すべき階調をそれぞれ第1階調GL1から第m階調GLmとし、前記第1階調GL1から前記第m階調GLmが少なくとも2つの異なる階調を含むとき、
前記制御回路は、前記第1階調GL1から前記第m階調GLmの内の最も値の大きな階調を呈すべき画素の前記第1副画素および前記第2副画素にそれぞれ供給する前記第1表示信号電圧および前記第2表示信号電圧として絶対値が等しい電圧を生成するように構成されている、請求項1から3のいずれかに記載の液晶表示装置。 - 前記制御回路は、前記カラー表示画素が有する前記m個の画素の内で前記最高階調を呈する画素以外の複数の画素のそれぞれの前記第1副画素および前記第2副画素のそれぞれに供給する前記第1表示信号電圧と前記第2表示信号電圧との絶対値の差が最大になるように、前記第1表示信号電圧および前記第2表示信号電圧を生成するように構成されている、請求項4に記載の液晶表示装置。
- 前記第1ソースバスラインおよび第2ソースバスラインは、前記列方向に延びており、
前記複数の画素のそれぞれにおいて、前記第1副画素および第2副画素は、前記列方向に配列されており、
前記第1ソースバスラインから供給される前記第1表示信号電圧および前記第2ソースバスラインから供給される前記第2表示信号電圧の極性は、それぞれフレームにおいて一定である、請求項1から5のいずれかに記載の液晶表示装置。 - 前記第1ソースバスラインから供給される前記第1表示信号電圧の極性と、前記第2ソースバスラインから供給される前記第2表示信号電圧の極性とは、フレームにおいて互いに逆である、請求項6に記載の液晶表示装置。
- 前記複数の画素の内で、前記列方向に配列されている画素は、同一の色を呈する画素であって、
前記列方向に隣接する2つの画素に属し、前記第1ソースバスラインに電気的に接続されている2つの副画素は、前記列方向に隣接している、請求項6または7に記載の液晶表示装置。 - 前記複数のカラー表示画素のそれぞれは、赤色画素、緑色画素および青色画素を含む、請求項1から8のいずれかに記載の液晶表示装置。
- 前記複数のカラー表示画素のそれぞれは、さらに黄色画素を含む、請求項9に記載の液晶表示装置。
- 前記第1TFTおよび前記第2TFTは、活性層として酸化物半導体層を有し、前記酸化物半導体層は、In−Ga−Zn−O系の半導体を含む、請求項1から10のいずれかに記載の液晶表示装置。
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JP2012201917 | 2012-09-13 | ||
JP2012201917 | 2012-09-13 | ||
PCT/JP2013/073970 WO2014042073A1 (ja) | 2012-09-13 | 2013-09-05 | 液晶表示装置 |
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US (1) | US9489902B2 (ja) |
EP (1) | EP2897123A4 (ja) |
JP (1) | JP6140711B2 (ja) |
KR (1) | KR101680500B1 (ja) |
CN (1) | CN104620309B (ja) |
AU (1) | AU2013316621B2 (ja) |
MY (1) | MY175398A (ja) |
SG (1) | SG11201501946WA (ja) |
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CN104658504B (zh) * | 2015-03-09 | 2017-05-10 | 深圳市华星光电技术有限公司 | 一种液晶显示器的驱动方法及驱动装置 |
CN104658502B (zh) * | 2015-03-09 | 2018-03-13 | 深圳市华星光电技术有限公司 | 一种液晶显示器的驱动方法及驱动装置 |
CN104808407B (zh) * | 2015-05-07 | 2018-05-01 | 深圳市华星光电技术有限公司 | Tft阵列基板 |
CN106205533B (zh) | 2016-08-29 | 2019-05-07 | 深圳市华星光电技术有限公司 | 一种lcd大视角显示的改善方法及装置 |
CN109949765B (zh) * | 2017-12-21 | 2022-09-16 | 咸阳彩虹光电科技有限公司 | 一种像素矩阵驱动方法及显示装置 |
CN109949764B (zh) * | 2017-12-21 | 2022-06-14 | 咸阳彩虹光电科技有限公司 | 一种像素矩阵驱动方法及显示装置 |
CN109949763B (zh) * | 2017-12-21 | 2022-03-15 | 咸阳彩虹光电科技有限公司 | 一种像素矩阵驱动方法及显示装置 |
CN109949766B (zh) * | 2017-12-21 | 2022-03-11 | 咸阳彩虹光电科技有限公司 | 一种像素矩阵驱动方法及显示装置 |
CN109949761B (zh) * | 2017-12-21 | 2021-12-31 | 咸阳彩虹光电科技有限公司 | 一种像素矩阵驱动方法及显示装置 |
CN109949762B (zh) * | 2017-12-21 | 2022-06-14 | 咸阳彩虹光电科技有限公司 | 一种像素矩阵驱动方法及显示装置 |
CN107967900B (zh) * | 2017-12-21 | 2020-09-11 | 惠科股份有限公司 | 显示装置的驱动方法、驱动装置及显示装置 |
CN107967902B (zh) * | 2017-12-21 | 2020-03-31 | 惠科股份有限公司 | 显示装置的驱动方法、驱动装置及显示装置 |
CN108231015B (zh) * | 2017-12-21 | 2019-12-31 | 惠科股份有限公司 | 显示装置的驱动方法、驱动装置及显示装置 |
CN109949760B (zh) * | 2017-12-21 | 2022-03-11 | 咸阳彩虹光电科技有限公司 | 一种像素矩阵驱动方法及显示装置 |
US10761377B2 (en) * | 2018-09-28 | 2020-09-01 | Sharp Kabushiki Kaisha | Liquid crystal panel |
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KR101680500B1 (ko) | 2016-11-28 |
AU2013316621A1 (en) | 2015-04-09 |
CN104620309A (zh) | 2015-05-13 |
SG11201501946WA (en) | 2015-05-28 |
TW201419256A (zh) | 2014-05-16 |
MY175398A (en) | 2020-06-24 |
EP2897123A1 (en) | 2015-07-22 |
KR20150043488A (ko) | 2015-04-22 |
US20150221267A1 (en) | 2015-08-06 |
US9489902B2 (en) | 2016-11-08 |
WO2014042073A1 (ja) | 2014-03-20 |
EP2897123A4 (en) | 2015-08-12 |
JP6140711B2 (ja) | 2017-05-31 |
AU2013316621B2 (en) | 2016-04-14 |
CN104620309B (zh) | 2017-09-22 |
TWI569251B (zh) | 2017-02-01 |
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