JP2019039970A - 表示装置 - Google Patents
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 8
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
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- 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
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- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
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- 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
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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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
- 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- G—PHYSICS
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- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13456—Cell terminals located on one side of the display only
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- 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
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- G02F1/136254—Checking; Testing
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- 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
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- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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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
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- G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof
Abstract
Description
<変形例1>
図20に検査回路40の変形例を示す。図6に示す例では、検査スイッチ41は、対向基板の内側の領域に形成されていたため、検査スイッチ41と端子31間の配線51は、検査ができない領域となる。これに対して、図20の検査回路40では、配線51と検査スイッチ41の接続箇所を対向基板200の重複領域を超えて、端子31の近傍に設けている。これにより、配線51のほぼ全体を検査することが可能となる。
Claims (11)
- 映像信号線を有する表示領域と端子領域を有するTFT基板と、前記表示領域に重複する対向基板とを有する液晶表示装置であって、
前記端子領域には、フレキシブル配線基板が接続するための複数の第1の端子部と、検査時に使用される複数の第2の端子部を有し、
検査回路が、平面で視て、前記TFT基板の前記表示領域と前記端子領域との間に形成され、
前記検査回路は、前記映像信号線を前記第1の端子又は第2の端子に接続する複数の切り替え部を有し、
前記検査回路の前記対向基板側の面には、絶縁膜が形成されることを特徴とする液晶表示装置。 - 前記検査回路は、平面で視て、前記対向基板と重複する領域に形成されていることを特徴とする請求項1に記載の液晶表示装置。
- 前記検査回路は、平面で視て、前記対向基板と重複していない前記端子領域に形成されていることを特徴とする請求項1に記載の液晶表示装置。
- 前記絶縁膜は、有機パッシベーション膜或いは無機絶縁膜であること
を特徴とする請求項1に記載の液晶表示装置。 - 平面で視て、前記映像信号線と前記検査回路の間の配線は、隣接する配線間において、異なる層に配置されていることを特徴とする請求項1に記載の液晶表示装置。
- 前記第2の端子群は前記第1の端子群の両側に配置されていることを特徴とする請求項1に記載の液晶表示装置。
- 前記第2の端子群は、第1の端子群の両側と、前記第1の端子群の中間に配置されていることを特徴とする請求項1に記載の液晶表示装置。
- 前記検査回路は、6個の映像信号線を単位として測定し、前記検査回路の前記第2の端子に接続される検査用信号配線は6本配置されることを特徴とする請求項1に記載の液晶表示装置。
- 映像信号線を有する表示領域と端子領域を有するTFT基板を有する有機EL表示装置であって、
前記表示領域には、第1の有機絶縁膜の上にアノードが形成され、前記アノードの上に有機EL層が形成され、前記有機EL層の上にカソードが形成され、
前記カソードを覆って無機絶縁膜が形成され、前記無機絶縁膜の上に偏光板が配置されており、
前記端子領域には、フレキシブル配線基板が接続するための複数の第1の端子部と、検査時に使用される複数の第2の端子部を有し、
検査回路が、平面で視て、前記TFT基板の前記表示領域と前記端子領域との間に形成され、
前記検査回路は、前記映像信号線を前記第1の端子又は第2の端子に接続する複数の切り替え部を有し、
前記検査回路の前記偏光板側の面には、前記第1の有機絶縁膜が形成されることを特徴とする有機EL表示装置。 - 前記検査回路は、さらに、平面で視て前記無機絶縁膜と重複していることを特徴とする請求項9に記載の有機EL表示装置。
- 前記第1の有機絶縁膜と前記無機絶縁膜の間には、第2の有機絶縁膜が形成され、前記第2の無機絶縁膜は、平面で視て、前記カソードの周辺と重複していることを特徴とする請求項9に記載の有機EL表示装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017159963A JP6983006B2 (ja) | 2017-08-23 | 2017-08-23 | 表示装置 |
US16/104,152 US10586479B2 (en) | 2017-08-23 | 2018-08-17 | Display device |
US16/735,775 US10977974B2 (en) | 2017-08-23 | 2020-01-07 | Display device having an inspection circuit located between the edge of a counter substrate and a selector circuit |
US17/189,358 US11670203B2 (en) | 2017-08-23 | 2021-03-02 | Display device having pixels including pixel TFTs provided in a display area and switching TFTs located outside of the display area |
US18/307,847 US20230260436A1 (en) | 2017-08-23 | 2023-04-27 | Display device having pixels including pixel tfts provided in a display area and switching tfts located outside of the display area |
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WO2020181515A1 (zh) * | 2019-03-13 | 2020-09-17 | 京东方科技集团股份有限公司 | 像素电路及其驱动方法、显示装置 |
CN110608871B (zh) * | 2019-09-20 | 2021-05-25 | 京东方科技集团股份有限公司 | 像素检测电路、显示装置及检测方法 |
CN111584579B (zh) * | 2020-05-14 | 2022-08-05 | 深圳市华星光电半导体显示技术有限公司 | 一种显示面板及拼接屏 |
CN111681545B (zh) * | 2020-05-27 | 2022-03-29 | 上海中航光电子有限公司 | 显示面板和显示装置 |
CN117337631A (zh) * | 2022-04-27 | 2024-01-02 | 京东方科技集团股份有限公司 | 显示面板和显示装置 |
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US20190066556A1 (en) | 2019-02-28 |
US20210183286A1 (en) | 2021-06-17 |
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JP6983006B2 (ja) | 2021-12-17 |
US20200143724A1 (en) | 2020-05-07 |
US11670203B2 (en) | 2023-06-06 |
US10586479B2 (en) | 2020-03-10 |
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