JP5058256B2 - 光検出装置、及びそれを備えた表示装置 - Google Patents
光検出装置、及びそれを備えた表示装置 Download PDFInfo
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- JP5058256B2 JP5058256B2 JP2009520452A JP2009520452A JP5058256B2 JP 5058256 B2 JP5058256 B2 JP 5058256B2 JP 2009520452 A JP2009520452 A JP 2009520452A JP 2009520452 A JP2009520452 A JP 2009520452A JP 5058256 B2 JP5058256 B2 JP 5058256B2
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- 239000000758 substrate Substances 0.000 claims description 59
- 239000004065 semiconductor Substances 0.000 claims description 57
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 37
- 229910052710 silicon Inorganic materials 0.000 claims description 37
- 239000010703 silicon Substances 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 239000011159 matrix material Substances 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 11
- 239000010408 film Substances 0.000 description 120
- 239000010410 layer Substances 0.000 description 113
- 238000010586 diagram Methods 0.000 description 12
- 239000004973 liquid crystal related substance Substances 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 8
- 239000003574 free electron Substances 0.000 description 7
- 238000013459 approach Methods 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002772 conduction electron Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/30—Coatings
- H10F77/306—Coatings for devices having potential barriers
- H10F77/331—Coatings for devices having potential barriers for filtering or shielding light, e.g. multicolour filters for photodetectors
- H10F77/337—Coatings for devices having potential barriers for filtering or shielding light, e.g. multicolour filters for photodetectors using interference filters, e.g. multilayer dielectric filters
-
- 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
- G02F1/13318—Circuits comprising a photodetector
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
- H10F30/20—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors
- H10F30/21—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation
- H10F30/22—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes
- H10F30/223—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors the devices being sensitive to infrared, visible or ultraviolet radiation the devices having only one potential barrier, e.g. photodiodes the potential barrier being a PIN barrier
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/10—Semiconductor bodies
- H10F77/14—Shape of semiconductor bodies; Shapes, relative sizes or dispositions of semiconductor regions within semiconductor bodies
- H10F77/147—Shapes of bodies
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/30—Coatings
- H10F77/306—Coatings for devices having potential barriers
- H10F77/331—Coatings for devices having potential barriers for filtering or shielding light, e.g. multicolour filters for photodetectors
- H10F77/334—Coatings for devices having potential barriers for filtering or shielding light, e.g. multicolour filters for photodetectors for shielding light, e.g. light blocking layers or cold shields for infrared detectors
-
- 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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
- G02F1/13312—Circuits comprising photodetectors for purposes other than feedback
-
- 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
- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Light Receiving Elements (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
以下、本発明の実施の形態における光検出装置及び表示装置について、図1〜図11を参照しながら説明する。最初に、本実施の形態における光検出装置及び表示装置の概略構成について説明する。図1は、本発明の実施の形態における光検出装置の概略構成を示す断面図である。図2は、図1に示した光検出装置を上方から見た状態を示す平面図である。図3は、図1に示した光検出装置を備える表示装置の一部分の構成を概略的に示す平面図である。なお、図1においては、後述のアクティブマトリクス基板20を構成する導体及び半導体の部材にのみハッチングを施している。また、図2及び図3においては、主な構成要素のみを図示している。
Claims (6)
- 光透過性のベース基板と、前記ベース基板の一方の主面に設けられた金属膜と、前記金属膜の上層に配置されたフォトダイオードとを備え、
前記金属膜は、前記ベース基板の厚み方向において、前記フォトダイオード全体と重なるように形成され、
前記フォトダイオードは、前記金属膜に対して電気的に絶縁されたシリコン膜を備え、
前記シリコン膜には、p型の半導体領域、真性半導体領域、及びn型の半導体領域が、前記シリコン膜の面方向において隣接するように設けられ、
前記p型の半導体領域は、その面積が前記n型の半導体領域の面積よりも大きくなるように形成されていることを特徴とする光検出装置。 - 前記p型の半導体領域の順方向における長さを、前記n型の半導体領域の順方向における長さよりも大きくすることによって、前記p型の半導体領域の面積が前記n型の半導体領域の面積よりも大きくなっている請求項1に記載の光検出装置。
- 前記ベース基板の法線方向から見た前記p型の半導体領域の形状が、前記ベース基板の法線方向から見た前記n型の半導体領域の形状と異なっている請求項1に記載の光検出装置。
- アクティブマトリクス基板を有する表示装置であって、
前記アクティブマトリクス基板は、光透過性のベース基板と、前記ベース基板の一方の主面に形成された複数のアクティブ素子と、光検出装置とを備え、
前記光検出装置は、前記ベース基板の一方の主面上に設けられた金属膜と、前記金属膜の上層に配置されたフォトダイオードとを備え、
前記金属膜は、前記ベース基板の厚み方向において、前記フォトダイオード全体と重なるように形成され、
前記フォトダイオードは、前記金属膜に対して電気的に絶縁されたシリコン膜を備え、
前記シリコン膜には、p型の半導体領域、真性半導体領域、及びn型の半導体領域が、前記シリコン膜の面方向において隣接するように設けられ、
前記p型の半導体領域は、その面積が前記n型の半導体領域の面積よりも大きくなるように形成されていることを特徴とする表示装置。 - 前記p型の半導体領域の順方向における長さを、前記n型の半導体領域の順方向における長さよりも大きくすることによって、前記p型の半導体領域の面積が前記n型の半導体領域の面積よりも大きくなっている請求項1に記載の表示装置。
- 前記ベース基板の法線方向から見た前記p型の半導体領域の形状が、前記ベース基板の法線方向から見た前記n型の半導体領域の形状と異なっている請求項1に記載の表示装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2009520452A JP5058256B2 (ja) | 2007-06-21 | 2008-06-12 | 光検出装置、及びそれを備えた表示装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2007164284 | 2007-06-21 | ||
JP2007164284 | 2007-06-21 | ||
JP2009520452A JP5058256B2 (ja) | 2007-06-21 | 2008-06-12 | 光検出装置、及びそれを備えた表示装置 |
PCT/JP2008/060773 WO2008156024A1 (ja) | 2007-06-21 | 2008-06-12 | 光検出装置、及びそれを備えた表示装置 |
Publications (2)
Publication Number | Publication Date |
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JPWO2008156024A1 JPWO2008156024A1 (ja) | 2010-08-26 |
JP5058256B2 true JP5058256B2 (ja) | 2012-10-24 |
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JP2009520452A Expired - Fee Related JP5058256B2 (ja) | 2007-06-21 | 2008-06-12 | 光検出装置、及びそれを備えた表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8110887B2 (ja) |
EP (1) | EP2154732B1 (ja) |
JP (1) | JP5058256B2 (ja) |
CN (1) | CN101669216B (ja) |
WO (1) | WO2008156024A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4777887B2 (ja) | 2003-07-23 | 2011-09-21 | バイエル、ファーマシューテイカルズ、コーポレイション | 病気および状態の処置および防止のためのフロロ置換オメガカルボキシアリールジフェニル尿素 |
CN102341749B (zh) * | 2009-03-02 | 2015-02-25 | 夏普株式会社 | 显示装置 |
KR101793534B1 (ko) * | 2011-01-05 | 2017-11-06 | 삼성디스플레이 주식회사 | 포토센서 및 그의 제조방법 |
TWI464788B (zh) * | 2011-12-22 | 2014-12-11 | Ind Tech Res Inst | 感測元件陣列及其製作方法 |
CN105093755A (zh) * | 2015-08-28 | 2015-11-25 | 深圳市华星光电技术有限公司 | 薄膜晶体管阵列基板及液晶显示面板 |
CN106019737A (zh) * | 2016-07-26 | 2016-10-12 | 京东方科技集团股份有限公司 | 显示面板及其制备方法、显示装置 |
CN111668328B (zh) * | 2020-06-22 | 2022-03-15 | 三明学院 | 一种新型侧向pn结光电探测器 |
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JP2006003857A (ja) * | 2003-08-25 | 2006-01-05 | Toshiba Matsushita Display Technology Co Ltd | 表示装置および光電変換素子 |
WO2006129428A1 (ja) * | 2005-05-31 | 2006-12-07 | Sharp Kabushiki Kaisha | フォトダイオード及び表示装置 |
JP2007094344A (ja) * | 2005-09-26 | 2007-04-12 | Toppoly Optoelectronics Corp | エレクトロルミネッセント装置および画素装置 |
JP2007114315A (ja) * | 2005-10-18 | 2007-05-10 | Toshiba Matsushita Display Technology Co Ltd | 表示装置 |
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JPH11326954A (ja) | 1998-05-15 | 1999-11-26 | Semiconductor Energy Lab Co Ltd | 半導体装置 |
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JP2003273361A (ja) | 2002-03-15 | 2003-09-26 | Sharp Corp | 半導体装置およびその製造方法 |
KR100669270B1 (ko) * | 2003-08-25 | 2007-01-16 | 도시바 마쯔시따 디스플레이 테크놀로지 컴퍼니, 리미티드 | 표시 장치 및 광전 변환 소자 |
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TWI344026B (en) * | 2007-07-18 | 2011-06-21 | Au Optronics Corp | A photo detector and a display panel having the same |
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2008
- 2008-06-12 WO PCT/JP2008/060773 patent/WO2008156024A1/ja active Application Filing
- 2008-06-12 US US12/602,395 patent/US8110887B2/en not_active Expired - Fee Related
- 2008-06-12 JP JP2009520452A patent/JP5058256B2/ja not_active Expired - Fee Related
- 2008-06-12 CN CN2008800139445A patent/CN101669216B/zh not_active Expired - Fee Related
- 2008-06-12 EP EP08765517.1A patent/EP2154732B1/en not_active Not-in-force
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006003857A (ja) * | 2003-08-25 | 2006-01-05 | Toshiba Matsushita Display Technology Co Ltd | 表示装置および光電変換素子 |
WO2006129428A1 (ja) * | 2005-05-31 | 2006-12-07 | Sharp Kabushiki Kaisha | フォトダイオード及び表示装置 |
JP2007094344A (ja) * | 2005-09-26 | 2007-04-12 | Toppoly Optoelectronics Corp | エレクトロルミネッセント装置および画素装置 |
JP2007114315A (ja) * | 2005-10-18 | 2007-05-10 | Toshiba Matsushita Display Technology Co Ltd | 表示装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2008156024A1 (ja) | 2008-12-24 |
US8110887B2 (en) | 2012-02-07 |
US20100171128A1 (en) | 2010-07-08 |
EP2154732B1 (en) | 2018-10-10 |
EP2154732A4 (en) | 2017-07-05 |
CN101669216A (zh) | 2010-03-10 |
JPWO2008156024A1 (ja) | 2010-08-26 |
CN101669216B (zh) | 2011-05-18 |
EP2154732A1 (en) | 2010-02-17 |
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