JP5221054B2 - 表示装置の製造方法 - Google Patents
表示装置の製造方法 Download PDFInfo
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- JP5221054B2 JP5221054B2 JP2007102988A JP2007102988A JP5221054B2 JP 5221054 B2 JP5221054 B2 JP 5221054B2 JP 2007102988 A JP2007102988 A JP 2007102988A JP 2007102988 A JP2007102988 A JP 2007102988A JP 5221054 B2 JP5221054 B2 JP 5221054B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 33
- 239000010409 thin film Substances 0.000 claims description 160
- 239000010408 film Substances 0.000 claims description 120
- 239000000758 substrate Substances 0.000 claims description 79
- 150000002500 ions Chemical class 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 38
- 230000002093 peripheral effect Effects 0.000 claims description 29
- 230000004888 barrier function Effects 0.000 claims description 17
- 238000005530 etching Methods 0.000 claims description 17
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 16
- 238000005468 ion implantation Methods 0.000 claims description 13
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 9
- 238000002425 crystallisation Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000007715 excimer laser crystallization Methods 0.000 claims description 3
- 239000007790 solid phase Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 83
- 239000004973 liquid crystal related substance Substances 0.000 description 35
- 230000008569 process Effects 0.000 description 23
- 238000000059 patterning Methods 0.000 description 15
- 230000001681 protective effect Effects 0.000 description 12
- 125000006850 spacer group Chemical group 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 8
- 239000011810 insulating material Substances 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- PJJRJASJDRRJOW-UHFFFAOYSA-N benzene;cyclobutane Chemical compound C1CCC1.C1=CC=CC=C1 PJJRJASJDRRJOW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005499 laser crystallization Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- 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
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
-
- 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
-
- 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
- G02F1/13306—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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133388—Constructional arrangements; Manufacturing methods with constructional differences between the display region and the peripheral region
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Thin Film Transistor (AREA)
- Recrystallisation Techniques (AREA)
- Light Receiving Elements (AREA)
- Solid State Image Pick-Up Elements (AREA)
Description
A2 周辺領域、
100 薄膜トランジスター基板、
110 バッファー膜、
120a、120b、120c、120d 活性層、
121n ソース領域、
122n ドレイン領域、
123,124 低濃度のイオン領域、
125 チャンネル領域、
130 第1絶縁膜、
141a、141b、141c ゲート電極、
142 維持電極、
150 第2絶縁膜、
161a、161b、161c ソース電極、
162a、162b、162c ドレイン電極、
170、180 保護膜、
191 画素電極、
200 カラーフィルター基板、
211 ブラックマトリックス、
221 カラーフィルター、
231 オーバーコート膜、
241 カラムスペーサー、
251 共通電極、
300 液晶層、
500 フォトダイオード、
600 ゲート駆動回路、
700 反射パターン。
Claims (6)
- 表示領域と周辺領域を有する基板を用意する段階と、
前記表示領域に複数の薄膜トランジスターを格子構造に形成する段階と、
前記周辺領域にp型薄膜トランジスター及びn型薄膜トランジスターを形成する段階と、
前記表示領域または前記周辺領域に少なくとも1つのフォトダイオードを形成する段階と、を含み、
前記フォトダイオードは、前記p型薄膜トランジスター及びn型薄膜トランジスターと同時に形成し、
前記フォトダイオードを形成する段階は、
前記p型薄膜トランジスター用の活性層、前記n型薄膜トランジスター用の活性層、及び不純物イオンを注入しない中央領域と前記中央領域の両側の両側領域とを有するフォトダイオードを形成する活性層を形成する段階と、
第1導電膜パターンをイオン注入マスクとして使用し、前記両側領域のうち一側の領域及び前記p型薄膜トランジスタ用の活性層にp型イオンを注入する段階と、
前記第1導電膜パターン上にバリアー膜パターンを形成する段階と、
前記バリアー膜パターンをエッチングマスクとして使用して前記第1導電膜パターンをエッチングし、第2導電膜パターンを形成する段階と、
前記バリアー膜パターンをイオン注入マスクとして使用し、前記両側領域のうち他側領域及び前記n型薄膜トランジスタ用の活性層にn型イオンを注入する段階と、
前記バリアー膜パターンをエッチングマスクとして使用して前記第2導電膜パターンをエッチングし、前記表示領域の前記複数の薄膜トランジスタ、前記周辺領域の前記p型薄膜トランジスタ及び前記n型薄膜トランジスタのゲート電極と第3導電膜パターンを形成する段階と、を含むことを特徴とする表示装置の製造方法。 - 前記p型薄膜トランジスター用の活性層、前記n型薄膜トランジスター用の活性層と前記フォトダイオード用の活性層のうち少なくとも1つの活性層は、低温多結晶シリコン薄膜であることを特徴とする請求項1に記載の表示装置の製造方法。
- 前記フォトダイオードは水平構造に形成することを特徴とする請求項1または2に記載の表示装置の製造方法。
- 基板上にp型薄膜トランジスター用の活性層、n型薄膜トランジスター用の活性層及びフォトダイオード用の活性層を形成する段階と、
前記p型薄膜トランジスター用の活性層の不純物イオンを注入しない中央領域を挟んで両側の領域にp型領域を形成し、前記フォトダイオード用の活性層の不純物イオンを注入しない中央領域を挟んで一方の側の領域にp型領域を形成する段階と、
前記n型薄膜トランジスター用の活性層の不純物イオンを注入しない中央領域を挟んで両側の領域にn型領域を形成し、前記フォトダイオード用の活性層の前記中央領域を挟んで他方の側の領域にn型領域を形成する段階と、を含み、
前記p型領域を形成する段階は、前記基板上に第1導電膜パターンを形成し、前記第1導電膜パターンをイオン注入マスクとして使用して対応する領域にp型領域を形成するためにp型イオンを注入する段階をさらに含み、
前記n型領域を形成する段階は、
前記第1導電膜パターン上にバリアー膜パターンを形成する段階と、
前記バリアー膜パターンをエッチングマスクとして使用して前記第1導電膜パターンをエッチングして,第2導電膜パターンを形成する段階と、
前記バリアー膜パターンをイオン注入マスクとして使用して対応する領域にn型領域を形成する段階と、
前記バリアー膜パターンをエッチングマスクとして使用して前記第2導電膜パターンをエッチングし、前記n型薄膜トランジスタのゲート電極と第3導電膜パターンを形成する段階と、を含むことを特徴とする表示装置の製造方法。 - 前記p型薄膜トランジスター用の活性層、前記n型薄膜トランジスター用の活性層、および前記フォトダイオード用の活性層のうち少なくとも一つの活性層において、前記活性層の中央領域の両側に低濃度イオン領域を形成する段階をさらに含むことを特徴とする請求項4に記載の表示装置の製造方法。
- 前記n型薄膜トランジスター用の活性層、前記p型薄膜トランジスター用の活性層と前記フォトダイオード用の活性層のうち少なくとも1つの活性層は、
基板上に低温非晶質シリコン薄膜を形成する段階と、
前記シリコン薄膜を固相結晶化法、エキシマレーザー結晶化法と金属誘導結晶化法のうちいずれか1つの方法により結晶化させる段階と、を含む方法により形成された低温多結晶シリコン薄膜製のものであることを特徴とする請求項4または5に記載の表示装置の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2006-0112858 | 2006-11-15 | ||
KR1020060112858A KR101309174B1 (ko) | 2006-11-15 | 2006-11-15 | 표시 장치와 그 제조 방법 |
Publications (2)
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JP2008122903A JP2008122903A (ja) | 2008-05-29 |
JP5221054B2 true JP5221054B2 (ja) | 2013-06-26 |
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JP2007102988A Active JP5221054B2 (ja) | 2006-11-15 | 2007-04-10 | 表示装置の製造方法 |
Country Status (4)
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US (1) | US7888150B2 (ja) |
JP (1) | JP5221054B2 (ja) |
KR (1) | KR101309174B1 (ja) |
CN (1) | CN101226948B (ja) |
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KR101500426B1 (ko) * | 2008-08-26 | 2015-03-09 | 삼성디스플레이 주식회사 | 터치 스크린 표시 장치 |
US20110227878A1 (en) * | 2008-11-20 | 2011-09-22 | Sharp Kabushiki Kaisha | Semiconductor device, method for manufacturing same, and display device using semiconductor device |
KR101082294B1 (ko) | 2009-09-04 | 2011-11-09 | 삼성모바일디스플레이주식회사 | 터치 스크린 패널 일체형 평판표시장치 |
CN102622960A (zh) * | 2012-03-16 | 2012-08-01 | 中国科学院西安光学精密机械研究所 | Led显示装置的亮度调节装置、led显示系统及其制作方法 |
KR102050434B1 (ko) * | 2012-10-31 | 2019-11-29 | 엘지디스플레이 주식회사 | 플렉서블 유기전계 발광소자 및 그 제조방법 |
CN103996655B (zh) * | 2014-03-07 | 2017-02-08 | 京东方科技集团股份有限公司 | 一种阵列基板及其制备方法,显示面板、显示装置 |
KR20160000512A (ko) | 2014-06-24 | 2016-01-05 | 삼성전자주식회사 | 메모리 장치 |
CN104218041B (zh) * | 2014-08-15 | 2017-12-08 | 京东方科技集团股份有限公司 | 阵列基板及制备方法和显示装置 |
CN104656333A (zh) * | 2015-03-18 | 2015-05-27 | 深圳市华星光电技术有限公司 | Coa型液晶面板的制作方法及coa型液晶面板 |
CN107342347B (zh) * | 2017-07-05 | 2021-11-30 | 京东方科技集团股份有限公司 | 一种光电探测器及其制作方法 |
CN109148504A (zh) * | 2018-09-28 | 2019-01-04 | 武汉华星光电技术有限公司 | 显示面板及其制造方法 |
US11869895B2 (en) | 2018-09-28 | 2024-01-09 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Display panel and manufacturing method thereof |
KR102662726B1 (ko) * | 2019-06-19 | 2024-05-02 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 그 제조 방법 |
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JP2006079589A (ja) | 2004-08-05 | 2006-03-23 | Sanyo Electric Co Ltd | タッチパネル |
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CN101226948A (zh) | 2008-07-23 |
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KR101309174B1 (ko) | 2013-09-23 |
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US20080135851A1 (en) | 2008-06-12 |
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