JP2018017770A - 液晶表示装置 - Google Patents
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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
- G09G3/36—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
- G09G3/3696—Generation of voltages supplied to electrode drivers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
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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
- G09G3/36—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
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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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
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0023—Visual time or date indication means by light valves in general
- G04G9/0029—Details
- G04G9/0035—Details constructional
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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
- G09G3/36—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
- G09G3/3685—Details of drivers for data electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/441—Interconnections, e.g. scanning lines
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
-
- 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
- G09G3/36—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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- Computer Hardware Design (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
実施の形態1に係る液晶表示装置1について図1A〜図8を用いて説明する。
まず、実施の形態1に係る液晶表示装置1の課題について説明する。
実施の形態3に係る液晶表示装置について図14〜図18Bを用いて説明する。
以上、本発明の実施の形態に係る液晶表示装置について説明したが、本発明は、この実施の形態に限定されるものではない。
10 表示パネル
20、20a、20b 信号生成部(ソースドライバ)
30、30a、40 制御部
31、31a 電流制御部
33a 第1回路
33b 第2回路
34 切替部
41 電圧制御部
42 補正部
43 調整部
80 ゲートドライバ
90 コモンドライバ
100 画像データ出力部
Claims (16)
- 複数の画素を有する表示パネルと、
前記複数の画素のそれぞれにデータ信号を供給する信号生成部と、
前記信号生成部の出力端のそれぞれと前記複数の画素の対応する入力端とを接続する複数の配線と、
前記出力端における前記データ信号に対応する電圧波形と電流波形との少なくとも一方を変化させることによって、前記入力端のそれぞれにおける電圧に基づく値を所定の範囲内の値とする制御部と、を備える、
液晶表示装置。 - 前記電流波形は、第1の電流レベルと当該第1の電流レベルより小さい第2の電流レベルを含み、
前記制御部は、前記配線の長さに応じて、前記第1の電流レベルの大きさを変化させる、
請求項1に記載の液晶表示装置。 - 前記複数の画素のそれぞれへの所定階調に対応するデータ信号の供給に基づく、前記複数の配線のうち所定の長さの配線に接続される出力端における第1の電流レベルの大きさは、前記所定の長さよりも短い配線に接続される出力端における第1の電流レベルの大きさよりも大きい値である、
請求項2に記載の液晶表示装置。 - 前記電圧波形は、第1の電圧レベルと当該第1の電圧レベルよりも小さい第2の電圧レベルを含み、
前記制御部は、前記配線の長さに応じて、前記第1の電圧レベルの発生期間、及び、前記第1の電圧レベルの大きさの少なくとも一方を変化させる、
請求項1に記載の液晶表示装置。 - 前記複数の画素のそれぞれへの所定階調に対応するデータ信号の供給に基づく、前記複数の配線のうち所定の長さの配線に接続される出力端における第1の電圧レベルの大きさは、前記所定の長さよりも短い配線に接続される出力端における第1の電圧レベルの大きさよりも大きい値である、
請求項4に記載の液晶表示装置。 - 前記複数の画素のそれぞれへの所定階調に対応するデータ信号の供給に基づく、前記複数の配線のうち所定の長さの配線に接続される出力端における第1の電圧レベルの発生期間は、前記所定の長さよりも短い配線に接続される出力端における第1の電圧レベルの発生期間よりも長い、
請求項4又は5に記載の液晶表示装置。 - 前記複数の画素のそれぞれへの所定階調に対応するデータ信号の供給に基づく、前記複数の配線に接続される各出力端における前記第1の電圧レベルの大きさは、互いに略同じ値である、
請求項6に記載の液晶表示装置。 - 前記複数の画素のそれぞれへの所定階調に対応するデータ信号の供給に基づく、前記複数の配線に接続される各出力端における前記第1の電圧レベルの発生期間は、互いに略同じである、
請求項5に記載の液晶表示装置。 - 前記電圧波形は、前記第2の電圧レベルよりも小さい第3の電圧レベルを含み、
前記制御部は、前記配線の長さに応じて、前記第3の電圧レベルの発生期間、及び、前記第3の電圧レベルの大きさの少なくとも一方を変化させる、
請求項4〜8のいずれか1項に記載の液晶表示装置。 - 前記複数の画素のそれぞれへの所定階調に対応するデータ信号の供給に基づく、前記複数の配線のうち所定の長さの配線に接続される出力端における第3の電圧レベルの大きさは、前記所定の長さよりも短い配線に接続される出力端における第3の電圧レベルの大きさよりも小さい値である、
請求項9に記載の液晶表示装置。 - 前記複数の画素のそれぞれへの所定階調に対応するデータ信号の供給に基づく、前記複数の配線のうち所定の長さの配線に接続される出力端における第3の電圧レベルの発生期間は、前記所定の長さよりも短い配線に接続される出力端における第3の電圧レベルの発生期間よりも長い、
請求項9又は10に記載の液晶表示装置。 - 前記複数の画素のそれぞれへの所定階調に対応するデータ信号の供給に基づく、前記複数の配線に接続される各出力端における前記第3の電圧レベルの大きさは、互いに略同じ値である、
請求項11に記載の液晶表示装置。 - 前記複数の画素のそれぞれへの所定階調に対応するデータ信号の供給に基づく、前記複数の配線に接続される各出力端における前記第3の電圧レベルの発生期間は、互いに略同じである、
請求項10に記載の液晶表示装置。 - 前記入力端のそれぞれにおける電圧に基づく値は、前記複数の画素のそれぞれへの所定階調に対応するデータ信号の供給に基づく、前記表示パネルにおける2つの任意の領域の色度座標値の差である、
請求項1〜13のいずれか1項に記載の液晶表示装置。 - 前記色度座標値は、x座標値及びy座標値を有し、
前記制御部は、前記2つの任意の領域の前記x座標値の差及びy座標値の差の少なくとも一方を所定の範囲内の値として0以上0.03以下の値とする、
請求項14に記載の液晶表示装置。 - 前記色度座標値は、x座標値及びy座標値を有し、
前記制御部は、前記2つの任意の領域の前記x座標値の差及びy座標値の差の少なくとも一方を所定の範囲内の値として0以上0.02以下の値とする、
請求項14に記載の液晶表示装置。
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016145544A JP6840948B2 (ja) | 2016-07-25 | 2016-07-25 | 液晶表示装置 |
| US15/653,416 US10411040B2 (en) | 2016-07-25 | 2017-07-18 | Liquid crystal display device |
| EP17182271.1A EP3276606A1 (en) | 2016-07-25 | 2017-07-20 | Liquid crystal display device |
| EP19150798.7A EP3493197A1 (en) | 2016-07-25 | 2017-07-20 | Liquid crystal display device |
| CN201811595333.8A CN110033740A (zh) | 2016-07-25 | 2017-07-25 | 液晶显示装置 |
| CN201710612947.1A CN107657926A (zh) | 2016-07-25 | 2017-07-25 | 液晶显示装置 |
| US16/239,960 US10411043B2 (en) | 2016-07-25 | 2019-01-04 | Liquid crystal display device |
| US16/557,247 US10608023B2 (en) | 2016-07-25 | 2019-08-30 | Liquid crystal display device |
| US16/791,254 US11088179B2 (en) | 2016-07-25 | 2020-02-14 | Liquid crystal display device |
| US17/392,438 US11581341B2 (en) | 2016-07-25 | 2021-08-03 | Liquid crystal display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016145544A JP6840948B2 (ja) | 2016-07-25 | 2016-07-25 | 液晶表示装置 |
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| Publication Number | Publication Date |
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| JP2018017770A true JP2018017770A (ja) | 2018-02-01 |
| JP6840948B2 JP6840948B2 (ja) | 2021-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| Country | Link |
|---|---|
| US (5) | US10411040B2 (ja) |
| EP (2) | EP3493197A1 (ja) |
| JP (1) | JP6840948B2 (ja) |
| CN (2) | CN107657926A (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6840948B2 (ja) * | 2016-07-25 | 2021-03-10 | 船井電機株式会社 | 液晶表示装置 |
| US11164509B2 (en) * | 2018-04-19 | 2021-11-02 | Innolux Corporation | Electronic apparatus |
| US10909905B2 (en) * | 2019-04-02 | 2021-02-02 | Google Llc | Display with switching configurable for power consumption and speed |
| CN113450735A (zh) * | 2021-06-23 | 2021-09-28 | Tcl华星光电技术有限公司 | 显示装置及其驱动方法 |
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- 2017-07-20 EP EP17182271.1A patent/EP3276606A1/en not_active Withdrawn
- 2017-07-25 CN CN201710612947.1A patent/CN107657926A/zh active Pending
- 2017-07-25 CN CN201811595333.8A patent/CN110033740A/zh active Pending
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| CN107657926A (zh) | 2018-02-02 |
| US10608023B2 (en) | 2020-03-31 |
| US20180026052A1 (en) | 2018-01-25 |
| US10411043B2 (en) | 2019-09-10 |
| CN110033740A (zh) | 2019-07-19 |
| US20190139991A1 (en) | 2019-05-09 |
| US10411040B2 (en) | 2019-09-10 |
| US20200185419A1 (en) | 2020-06-11 |
| US20210366939A1 (en) | 2021-11-25 |
| US11088179B2 (en) | 2021-08-10 |
| US20190386029A1 (en) | 2019-12-19 |
| EP3276606A1 (en) | 2018-01-31 |
| JP6840948B2 (ja) | 2021-03-10 |
| EP3493197A1 (en) | 2019-06-05 |
| US11581341B2 (en) | 2023-02-14 |
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