JP6847624B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
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- JP6847624B2 JP6847624B2 JP2016202704A JP2016202704A JP6847624B2 JP 6847624 B2 JP6847624 B2 JP 6847624B2 JP 2016202704 A JP2016202704 A JP 2016202704A JP 2016202704 A JP2016202704 A JP 2016202704A JP 6847624 B2 JP6847624 B2 JP 6847624B2
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- signal line
- scanning signal
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- circuit
- line drive
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- 239000000758 substrate Substances 0.000 claims description 90
- 239000004973 liquid crystal related substance Substances 0.000 claims description 25
- 239000003566 sealing material Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000001579 optical reflectometry Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 5
- 239000011368 organic material Substances 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 229910003437 indium oxide Inorganic materials 0.000 description 4
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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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- 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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- G02F1/00—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
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- G02F1/13454—Drivers integrated on the active matrix substrate
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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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- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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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
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- 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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- 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
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- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134336—Matrix
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- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
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- 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
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- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
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- G—PHYSICS
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- G09G2380/00—Specific applications
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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
- G09G3/22—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
- G09G3/3233—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 with pixel circuitry controlling the current through the light-emitting element
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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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Geometry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
図面を参照して、本実施形態に係る表示装置100の平面構成、断面構成及びそれらを複数並べることによって大面積化した表示装置190の構成について説明する。
図1は、本実施形態に係る表示装置100の概略構成を説明する平面図である。図2Aは、図1のA近傍を拡大した平面図である。図2Bは、図1のB近傍を拡大した平面図である。図3Aは、図2AのC内の画素106を拡大した平面図である。図3Bは、図2AのD内の画素106を拡大した平面図である。
図5は、図3AのC1からC2を繋ぐ中継配線118に沿った断面図である。本実施形態に係る表示装置100は、第1基板102と、回路層140と、画素電極層142と、中継配線層144と、共通電極層146と、第2基板104と、配向膜150と、液晶層114とを備えている。
図面を参照して、本実施形態に係る表示装置200の構成について説明する。第1実施形態に係る表示装置100の説明において用いた図1は、本実施形態に係る表示装置200においても共通である。本実施形態に係る表示装置200は、第1実施形態に係る表示装置100と比べると、画素106の構成が異なっている。
Claims (13)
- 第1基板と、
前記第1基板上に配置された回路層と、
前記回路層よりも上層に配置され、複数の画素電極を有する画素電極層と、
前記第1基板に対向する第2基板と、
前記第2基板の前記第1基板側に配置された共通電極層と、
前記画素電極層及び前記共通電極層に挟持された液晶層と、
前記第1基板に対して前記第2基板を固定するシール材と、を備え、
前記回路層は、
複数の画素回路、
前記複数の画素回路に隣接し、前記第1基板の第1辺側に配置された第1走査信号線駆動回路、
前記複数の画素回路に隣接し、前記第1基板の前記第1辺に対向する第2辺側に配置された第2走査信号線駆動回路、
前記複数の画素回路の間隙、且つ前記第1走査信号線駆動回路及び前記第2走査信号線駆動回路の間に配置された第3走査信号線駆動回路、
前記第1基板の前記第1辺及び前記第2辺の間の第3辺側に配置された映像信号線駆動回路、
各々が前記第1乃至第3走査信号線駆動回路のいずれかに接続された複数の走査信号線、及び、
前記映像信号線駆動回路に接続された複数の映像信号線を有し、
前記第1走査信号線駆動回路、前記第2走査信号線駆動回路、及び前記第3走査信号線駆動回路の各々が配置された領域の少なくとも一部は、前記複数の画素電極の一部に重畳し、
前記シール材は、前記第1走査信号線駆動回路及び前記第2走査信号線駆動回路の各々の一部に重畳し、
前記液晶層は、前記第3走査信号線駆動回路に重畳することを特徴とする表示装置。 - 前記回路層は、
前記複数の回路の前記間隙、且つ前記第2走査信号線駆動回路及び前記第3走査信号線駆動回路の間に配置された第4走査信号線駆動回路を更に有し、
前記第4走査信号線駆動回路が配置された領域の少なくとも一部は、前記複数の画素電極の一部に重畳し、
前記複数の走査信号線の各々は、前記第1乃至第4走査信号線駆動回路に接続されることを特徴とする請求項1に記載の表示装置。 - 前記第1基板は、
前記第1走査信号線駆動回路及び前記第3走査信号線駆動回路の間の第1領域、
前記第4走査信号線駆動回路及び前記第2走査信号線駆動回路の間の第2領域を有し、
前記映像信号線駆動回路は、前記第1領域に配置された前記複数の画素回路及び前記第2領域に配置された前記複数の画素回路に映像信号を入力することを特徴とする請求項2に記載の表示装置。 - 前記回路層及び前記画素電極層の間に配置され、前記画素回路及び前記画素電極の各々を接続する中継配線を有する中継配線層を更に備えた請求項1に記載の表示装置。
- 前記第2基板は、前記第1基板に対向する表面に配置された遮光層を更に備え、
前記遮光層は、前記第1乃至第3走査信号線駆動回路に重畳する領域と、前記第1乃至第3走査信号線駆動回路に重畳しない領域とを有することを特徴とする請求項1に記載の表示装置。 - 前記複数の画素電極は、光反射性の金属を含むことを特徴とする請求項1に記載の表示装置。
- 前記複数の画素回路の各々は、表示に関する情報が記憶されるメモリを有することを特徴とする請求項1に記載の表示装置。
- 前記第1走査信号線駆動回路、前記第2走査信号線駆動回路、前記第3走査信号線駆動回路及び前記第4走査信号線駆動回路の各々は、極性反転駆動回路を有することを特徴とする請求項2又は請求項3に記載の表示装置。
- 請求項1乃至請求項8のいずれか一の表示装置を複数配列した表示装置。
- 複数の反射画素電極が形成された表示領域及び前記表示領域を囲う周辺領域を有する第1基板と、
前記第1基板に配置され、前記複数の反射画素電極の各々に電気的に接続されたスイッチング素子が複数形成された回路層と、
前記第1基板に対向する第2基板と、
前記第1基板と前記第2基板を貼り合わせるシール材と、を備え、
前記回路層は、前記複数のスイッチング素子に駆動信号を入力する走査信号線駆動回路、を有し、
平面視において前記複数の反射画素電極の少なくとも一部は前記走査信号線駆動回路に重畳し、
平面視において前記周辺領域で、前記シール材は、前記走査信号線駆動回路と重畳する領域と、前記走査信号線駆動回路と重畳しない領域とを有する、ことを特徴とする表示装置。 - 前記走査信号線駆動回路は前記第1基板の第1辺側に位置し、平面視において前記表示領域と重なる領域と、前記周辺領域と重なる領域を有する、ことを特徴とする請求項10記載の表示装置。
- 前記第2基板の前記第1基板に対向する側の表面に配置された遮光層を更に備え、
平面視において前記周辺領域で、前記遮光層は前記走査信号線駆動回路に重畳する領域と、前記走査信号線駆動回路と重畳しない領域と、を有する、請求項11記載の表示装置。 - 前記回路層と前記複数の反射画素電極との間に配置された中継配線層を更に備え、
前記中継配線層は、前記複数のスイッチング素子と前記複数の反射画素電極とを接続する複数の中継配線を有し、
前記複数の中継配線のうち、少なくとも一つの中継配線は前記走査信号線駆動回路に重畳する反射画素電極に表示領域内側から表示領域外側へと引き出されている、請求項11記載の表示装置。
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