JP2019101116A - 液晶表示パネル - Google Patents
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- JP2019101116A JP2019101116A JP2017229451A JP2017229451A JP2019101116A JP 2019101116 A JP2019101116 A JP 2019101116A JP 2017229451 A JP2017229451 A JP 2017229451A JP 2017229451 A JP2017229451 A JP 2017229451A JP 2019101116 A JP2019101116 A JP 2019101116A
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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
- G02F1/133345—Insulating layers
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
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- G—PHYSICS
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
- H10D30/6723—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device having light shields
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/673—Thin-film transistors [TFT] characterised by the electrodes characterised by the shapes, relative sizes or dispositions of the gate electrodes
- H10D30/6732—Bottom-gate only TFTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6741—Group IV materials, e.g. germanium or silicon carbide
- H10D30/6743—Silicon
- H10D30/6746—Amorphous silicon
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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
- H10D86/421—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 having a particular composition, shape or crystalline structure of the active layer
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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
- H10D86/441—Interconnections, e.g. scanning lines
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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
- H10D86/451—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 characterised by the compositions or shapes of the interlayer dielectrics
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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
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/10—Materials and properties semiconductor
- G02F2202/103—Materials and properties semiconductor a-Si
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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
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
-
- 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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- Crystallography & Structural Chemistry (AREA)
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
まず、液晶表示パネルLCPを用いた液晶表示装置LCDの概略構成について、図1及び図2を用いて説明する。図1は、実施の形態1に係る液晶表示装置LCDの概略構成を模式的に示す図である。図2は、実施の形態1に係る液晶表示パネルLCPの画素回路を示す図である。
次に、実施の形態2に係る液晶表示パネルLCP’について、図9を用いて説明する。図9は、実施の形態2に係る液晶表示パネルLCP’の断面図である。
以上、本開示に係る液晶表示パネル及び液晶表示装置について、実施の形態1、2に基づいて説明したが、本開示は、上記実施の形態1、2に限定されるものではない。
LCP、LCP’ 液晶表示パネル
BL バックライト
PDC 液晶表示パネル駆動回路
SDC ソースドライバ
GDC ゲートドライバ
IPU 画像処理部
DSP 画像表示領域
PIX 画素
SL 映像信号線
GL 走査線
PIT 画素電極
PITL ライン電極
PITC 連結電極
MIT 共通電極
TR 薄膜トランジスタ
D ドレイン電極
G ゲート電極
S ソース電極
SC 半導体層
GI ゲート絶縁層
SUB1 第1基板
SUB2 第2基板
LCL 液晶層
TSUB1 第1透明基材
TSUB2 第2透明基材
SLD 遮光体
SLD1 第1遮光体
SLD2 第2遮光体
SLDP1 第1遮光部
SLDP2 第2遮光部
PI 配向膜
PAS 第1絶縁膜
OPAS 第2絶縁膜
UPS 第3絶縁膜
CH コンタクトホール
BM 遮光層
OC オーバーコート層
Claims (14)
- マトリクス状に配列された複数の画素を有する液晶表示パネルであって、
前記複数の画素の各々に設けられ、ゲート電極、ソース電極、ドレイン電極及び半導体層を有する薄膜トランジスタと、
前記ゲート電極と同層に形成され、前記ゲート電極と電気的に接続された走査線と、
前記ソース電極及び前記ドレイン電極の少なくとも一方と同層に形成された第1遮光体とを備え、
前記半導体層は、絶縁層を介して前記走査線の上方に形成され、
前記第1遮光体は、前記走査線の上方、かつ、前記半導体層の側方に位置し、
前記第1遮光体と前記走査線とは、前記絶縁層に形成されたコンタクトホールを介して接続されている、
液晶表示パネル。 - 平面視において、前記第1遮光体は、前記走査線の幅方向の端部と前記半導体層との間に位置する、
請求項1に記載の液晶表示パネル。 - 前記第1遮光体は、前記絶縁層の上に位置する第1遮光部と、前記コンタクトホール内に位置する第2遮光部とを含む、
請求項1又は2に記載の液晶表示パネル。 - 前記走査線の幅方向における前記第1遮光部の外側先端部は、前記走査線の上に位置する、
請求項3に記載の液晶表示パネル。 - 前記第1遮光部は、前記絶縁層の上面に沿った上壁面を有し、
前記第2遮光部は、前記コンタクトホールの内面に沿った側壁面を有し、
断面視において、前記走査線の幅方向における前記上壁面の長さは、前記側壁面の長さよりも長い、
請求項3又は4に記載の液晶表示パネル。 - 前記コンタクトホールの内側面は、傾斜面である、
請求項3〜5のいずれか1項に記載の液晶表示パネル。 - 平面視において、前記第1遮光体は、前記半導体層を挟んで一対形成されている、
請求項1〜6のいずれか1項に記載の液晶表示パネル。 - 一対の前記第1遮光体は、前記走査線の幅方向に並んでいる、
請求項7に記載の液晶表示パネル。 - 平面視において、前記第1遮光体は、前記半導体層を囲んでいる、
請求項1〜8のいずれか1項に記載の液晶表示パネル。 - 前記走査線の幅方向の端部の側面は、傾斜面である、
請求項1〜9のいずれか1項に記載の液晶表示パネル。 - さらに、前記第1遮光体を覆う第1絶縁膜と、前記第1絶縁膜を覆う第2絶縁膜とを備え、
前記第2絶縁膜の屈折率は、前記第1絶縁膜の屈折率よりも小さい、
請求項10に記載の液晶表示パネル。 - さらに、前記半導体層を覆う第2遮光体を備える、
請求項1〜11のいずれか1項に記載の液晶表示パネル。 - 前記第2遮光体は、アモルファスシリコンによって構成されている、
請求項12に記載の液晶表示パネル。 - 前記半導体層は、アモルファスシリコンによって構成されている、
請求項1〜13のいずれか1項に記載の液晶表示パネル。
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JP2017229451A JP6901382B2 (ja) | 2017-11-29 | 2017-11-29 | 液晶表示パネル |
US16/157,942 US10914995B2 (en) | 2017-11-29 | 2018-10-11 | Liquid crystal display panel |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020195758A1 (ja) * | 2019-03-26 | 2020-10-01 | 株式会社ジャパンディスプレイ | 表示装置 |
CN113823235A (zh) * | 2021-11-22 | 2021-12-21 | 南京熊猫电子制造有限公司 | 一种Mini-LED背光分区控制系统及方法 |
JP7570969B2 (ja) | 2021-04-21 | 2024-10-22 | 株式会社ジャパンディスプレイ | 表示装置 |
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Patent Citations (5)
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WO2020195758A1 (ja) * | 2019-03-26 | 2020-10-01 | 株式会社ジャパンディスプレイ | 表示装置 |
US11579482B2 (en) | 2019-03-26 | 2023-02-14 | Japan Display Inc. | Display device |
JP7570969B2 (ja) | 2021-04-21 | 2024-10-22 | 株式会社ジャパンディスプレイ | 表示装置 |
CN113823235A (zh) * | 2021-11-22 | 2021-12-21 | 南京熊猫电子制造有限公司 | 一种Mini-LED背光分区控制系统及方法 |
CN113823235B (zh) * | 2021-11-22 | 2022-03-08 | 南京熊猫电子制造有限公司 | 一种Mini-LED背光分区控制系统及方法 |
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JP6901382B2 (ja) | 2021-07-14 |
US20190163025A1 (en) | 2019-05-30 |
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