JP2009069791A - 発光表示装置及びその製造方法 - Google Patents
発光表示装置及びその製造方法 Download PDFInfo
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- JP2009069791A JP2009069791A JP2007286522A JP2007286522A JP2009069791A JP 2009069791 A JP2009069791 A JP 2009069791A JP 2007286522 A JP2007286522 A JP 2007286522A JP 2007286522 A JP2007286522 A JP 2007286522A JP 2009069791 A JP2009069791 A JP 2009069791A
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- Prior art keywords
- photodiode
- region
- light emitting
- polycrystalline silicon
- display device
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000010409 thin film Substances 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 34
- 239000012535 impurity Substances 0.000 claims description 14
- 229910021419 crystalline silicon Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 description 18
- 239000004065 semiconductor Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 238000005401 electroluminescence Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
Images
Classifications
-
- 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
- H10K59/13—Active-matrix OLED [AMOLED] displays comprising photosensors that control luminance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
- H01L31/10—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors characterised by potential barriers, e.g. phototransistors
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Light Receiving Elements (AREA)
Abstract
【解決手段】本発明による発光表示装置は薄膜トランジスタが形成された基板上に前記薄膜トランジスタと電気的に繋がれて配置された発光素子と、外部から入射される光を収容して電気的信号を出力するフォトダイオードと、前記フォトダイオードから出力された電気的信号によって前記発光素子に印加される電圧を調節する制御部を含む。ここで、前記フォトダイオードはP型ドーピング領域、前記P型ドーピング領域と接合される真性領域、及び前記P型ドーピング領域と前記真性領域上において前記P型ドーピング領域と前記真性領域に電圧を印加するためのそれぞれの金属電極が配置される。
【選択図】図1
Description
120 フォトダイオード
121 真性領域
122 P型ドーピング領域
130 多結晶シリコン層(半導体層)
131 チャンネル領域(真性領域)
132 ソース領域
133 ドレイン領域
140 絶縁層
150 ゲート電極
160 絶縁層
170a ソース電極
170b ドレイン電極
Claims (5)
- 薄膜トランジスタと電気的に繋がれて配置された発光素子が形成された基板上に、外部から入射される光を収容して電気的信号を出力するフォトダイオードを含み、
前記フォトダイオードは真性領域と、前記真性領域と接合されるP型ドーピング領域で成り立つことを特徴とする発光表示装置。 - 前記真性領域に繋がれる第1電極、前記P型ドーピング領域に繋がれる第2電極がさらに含まれ、前記第1電極と第2電極はお互いに離隔配置されることを特徴とする請求項1記載の発光表示装置。
- 前記フォトダイオードは前記基板上に前記薄膜トランジスタと離隔配置されることを特徴とする請求項1記載の発光表示装置。
- 前記フォトダイオードから出力された電気的信号によって前記発光素子に印加される電圧を調節する制御部をさらに含むことを特徴とする請求項1記載の発光表示装置。
- 基板上に第1多結晶シリコン層及び第2多結晶シリコン層を配置する段階と、
前記第1多結晶シリコン層の片側及び前記第2多結晶シリコン層の両側にP型不純物をドーピングして第1多結晶シリコン層の片側にP型ドーピング領域、前記第2多結晶シリコン層の両側にソース領域及びドレイン領域を形成する段階と、
前記第1多結晶シリコン層と第2多結晶シリコン層が配置された前記基板全面に第1絶縁層及び第2絶縁層を形成する段階と、
前記第2絶縁層上に、前記第1絶縁層及び第2絶縁層に形成されたコンタクトホールを通じて、第1多結晶シリコン層の両側にそれぞれ繋がれる第1電極及び第2電極、前記第2多結晶シリコン層の両側にそれぞれ繋がれるソース及びドレイン電極を形成する段階を含むことを特徴とする発光表示装置の製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070093633A KR100882693B1 (ko) | 2007-09-14 | 2007-09-14 | 발광표시장치 및 그의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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JP2009069791A true JP2009069791A (ja) | 2009-04-02 |
JP4528323B2 JP4528323B2 (ja) | 2010-08-18 |
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JP2007286522A Active JP4528323B2 (ja) | 2007-09-14 | 2007-11-02 | 発光表示装置及びその製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7816684B2 (ja) |
EP (1) | EP2037502A3 (ja) |
JP (1) | JP4528323B2 (ja) |
KR (1) | KR100882693B1 (ja) |
CN (1) | CN101388405B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9311860B2 (en) | 2013-09-06 | 2016-04-12 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Liquid crystal display using backlight intensity to compensate for pixel damage |
KR102265752B1 (ko) * | 2014-09-01 | 2021-06-17 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
CN109087928B (zh) * | 2018-08-16 | 2021-01-26 | 京东方科技集团股份有限公司 | 光电探测基板及其制备方法、光电探测装置 |
CN110071164B (zh) * | 2019-05-07 | 2021-05-04 | 京东方科技集团股份有限公司 | 一种显示基板及其亮度调节方法、显示装置 |
Citations (4)
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JPH02138772A (ja) * | 1987-12-04 | 1990-05-28 | Thomson Csf | フォトダイオードまたはフォトトランジスタと電荷蓄積用コンデンサとを備える光感応性素子マトリックス |
JP2005019353A (ja) * | 2003-06-30 | 2005-01-20 | Sanyo Electric Co Ltd | El表示装置及びその製造方法 |
JP2006308959A (ja) * | 2005-04-28 | 2006-11-09 | Sharp Corp | 検出装置及びそれを備えた表示装置 |
JP2007173832A (ja) * | 2005-12-21 | 2007-07-05 | Samsung Sdi Co Ltd | フォトダイオード、有機電界発光表示装置、及び電子機器装置 |
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JP4219755B2 (ja) | 2003-07-16 | 2009-02-04 | ローム株式会社 | イメージセンサの製造方法およびイメージセンサ |
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-
2007
- 2007-09-14 KR KR1020070093633A patent/KR100882693B1/ko active IP Right Grant
- 2007-11-02 JP JP2007286522A patent/JP4528323B2/ja active Active
-
2008
- 2008-06-24 US US12/213,736 patent/US7816684B2/en active Active
- 2008-09-03 CN CN200810215141XA patent/CN101388405B/zh active Active
- 2008-09-11 EP EP08164168A patent/EP2037502A3/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH02138772A (ja) * | 1987-12-04 | 1990-05-28 | Thomson Csf | フォトダイオードまたはフォトトランジスタと電荷蓄積用コンデンサとを備える光感応性素子マトリックス |
JP2005019353A (ja) * | 2003-06-30 | 2005-01-20 | Sanyo Electric Co Ltd | El表示装置及びその製造方法 |
JP2006308959A (ja) * | 2005-04-28 | 2006-11-09 | Sharp Corp | 検出装置及びそれを備えた表示装置 |
JP2007173832A (ja) * | 2005-12-21 | 2007-07-05 | Samsung Sdi Co Ltd | フォトダイオード、有機電界発光表示装置、及び電子機器装置 |
Also Published As
Publication number | Publication date |
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CN101388405B (zh) | 2011-06-15 |
JP4528323B2 (ja) | 2010-08-18 |
EP2037502A3 (en) | 2012-10-10 |
US20090072247A1 (en) | 2009-03-19 |
CN101388405A (zh) | 2009-03-18 |
KR100882693B1 (ko) | 2009-02-06 |
US7816684B2 (en) | 2010-10-19 |
EP2037502A2 (en) | 2009-03-18 |
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