JP5700746B2 - 薄膜トランジスタ表示板及びその製造方法 - Google Patents
薄膜トランジスタ表示板及びその製造方法 Download PDFInfo
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- 239000010409 thin film Substances 0.000 title claims description 104
- 238000004519 manufacturing process Methods 0.000 title description 5
- 238000004040 coloring Methods 0.000 claims description 81
- 230000003287 optical effect Effects 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000003086 colorant Substances 0.000 claims description 6
- 230000008439 repair process Effects 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 40
- 239000004973 liquid crystal related substance Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 20
- 239000010408 film Substances 0.000 description 19
- 238000003860 storage Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- 229910021417 amorphous silicon Inorganic materials 0.000 description 6
- 238000002835 absorbance Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000206 photolithography Methods 0.000 description 4
- 101150022676 CSTB gene Proteins 0.000 description 3
- 101150084890 cstA gene Proteins 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
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- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 238000005530 etching Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000002161 passivation Methods 0.000 description 1
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- 239000011241 protective layer 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
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
- G02F1/133565—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements inside the LC elements, i.e. between the cell substrates
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
-
- 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
- G02F1/136259—Repairing; Defects
-
- 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
-
- 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
- G02F1/136222—Colour filters incorporated in the active matrix substrate
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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)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
以下、図1乃至図2を参照して、本発明の一実施形態による薄膜トランジスタ表示板について詳細に説明する。
この時、第1着色部材220は、着色が可能な感光性有機物などを含むことができる。この場合、第1着色部材220は、光を遮断することによって薄膜トランジスタで光漏洩電流が発生することを防止する。同時に、第1着色部材220は、誤作動する薄膜トランジスタを修理するための光を透過させるため、薄膜トランジスタの修理を容易にする。また、第1着色部材220を形成するために、スリットなどを含むハーフトーンマスクを利用したフォトリソグラフィ工程を適用しなくてもよいので、第1着色部材220のパターンが安定的に形成される。例えば、第1着色部材220は、吸光度がほぼ1.5であり、その厚さはほぼ2.5μmであり、光学密度はほぼ1μm当り0.6であり得る。
以下、図3乃至図7を参照して、本発明の他の実施形態による薄膜トランジスタ表示板について詳細に説明する。
以下、図8を参照して、本発明の他の実施形態による薄膜トランジスタ表示板について詳細に説明する。
以下、図9を参照して、本発明の他の実施形態による薄膜トランジスタ表示板について詳細に説明する。
以下、本発明の一実施形態による薄膜トランジスタ表示板の製造方法について詳細に説明する。カラーフィルタ230R、230G、230B、第1着色部材220及び第2着色部材240a、240b、240c、240dに対して前述した説明が類似に適用される。
120 薄膜トランジスタ層
190 画素電極
220 第1着色部材
230R、230G、230B カラーフィルタ
231 開口部
240a、240b、240c、240d 第2着色部材
RP、GP、BP 画素領域
PA 周辺領域
DA 表示領域
Claims (9)
- 基板と、
前記基板上に位置し、薄膜トランジスタを含む薄膜トランジスタ層と、
前記薄膜トランジスタ層上に位置する複数のカラーフィルタと、
前記薄膜トランジスタ層上に位置し、前記薄膜トランジスタと重畳する部分を有し、光学密度が1μm当り0.4〜0.9であり、前記薄膜トランジスタに光漏洩電流を発生させる光を遮断し、前記薄膜トランジスタを修理するための光を透過させる第1着色部材と、
前記第1着色部材上に位置し、光学密度が1μm当り1.6〜2.5であり、光を遮断する第2着色部材とを含み、
前記第2着色部材は、前記複数のカラーフィルタのうちの少なくとも一つと重畳する第1部分と、前記複数のカラーフィルタの間に位置する第4部分とを含み、前記第1着色部材は前記第1部分と重畳する第2部分を含み、
前記第1部分、前記第2部分、及び前記第1部分と重畳するカラーフィルタは、柱型間隔保持部材の少なくとも一部を構成し、
前記第2着色部材は前記複数のカラーフィルタのうちの少なくとも一つと重畳する第6部分を含み、前記第1着色部材は前記第6部分と重畳する第7部分を含み、前記第6部分は前記第4部分より厚さが薄い、薄膜トランジスタ表示板。 - 前記第2着色部材は、周辺領域に形成されるコンタクトホールを覆っている第3部分を含む、請求項1に記載の薄膜トランジスタ表示板。
- 前記第3部分は、前記第1部分と実質的に同一の厚さを有する、請求項2に記載の薄膜トランジスタ表示板。
- 前記第4部分は、前記複数のカラーフィルタと実質的に同一の厚さを有する、請求項1に記載の薄膜トランジスタ表示板。
- 基板と、
前記基板上に位置し、薄膜トランジスタを含む薄膜トランジスタ層と、
前記薄膜トランジスタ層上に位置する複数のカラーフィルタと、
前記薄膜トランジスタ層上に位置し、前記薄膜トランジスタと重畳する部分を有し、光学密度が1μm当り0.4〜0.9であり、前記薄膜トランジスタに光漏洩電流を発生させる光を遮断し、前記薄膜トランジスタを修理するための光を透過させる第1着色部材と、
前記第1着色部材上に位置し、光学密度が1μm当り1.6〜2.5であり、光を遮断する第2着色部材とを含み、
前記第2着色部材は、前記複数のカラーフィルタのうちの少なくとも一つと重畳する第1部分と、異なる色の前記複数のカラーフィルタが互いに重畳する領域の上に位置する第5部分とを含み、前記第1着色部材は前記第1部分と重畳する第2部分を含み、
前記第1部分、前記第2部分、及び前記第1部分と重畳するカラーフィルタは、柱型間隔保持部材の少なくとも一部を構成し、
前記第2着色部材は、前記複数のカラーフィルタのうちの少なくとも一つと重畳する第6部分と、前記第1着色部材は前記第6部分と重畳する第7部分とを含み、前記第6部分は前記第5部分より厚さが薄い、
薄膜トランジスタ表示板。 - 前記複数のカラーフィルタにはそれぞれ開口部が形成され、前記第1着色部材と前記薄膜トランジスタとが重畳する部分が、前記開口部に対応する位置に配置される、請求項1または5に記載の薄膜トランジスタ表示板。
- 前記第2着色部材の光学密度は1μm当り1.6〜2.5である、請求項1または5に記載の薄膜トランジスタ表示板。
- 前記第1着色部材の厚さは2〜3μmである、請求項1または5に記載の薄膜トランジスタ表示板。
- 前記薄膜トランジスタ層上に位置する画素電極をさらに含み、
前記第2着色部材は前記画素電極上に位置する、請求項1または5に記載の薄膜トランジスタ表示板。
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KR1020080120019A KR101549963B1 (ko) | 2008-11-28 | 2008-11-28 | 박막 트랜지스터 표시판 및 그 제조 방법 |
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US9291859B2 (en) | 2012-06-20 | 2016-03-22 | Samsung Display Co., Ltd. | Liquid crystal display |
KR102082406B1 (ko) | 2012-10-05 | 2020-02-28 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
KR102098712B1 (ko) | 2013-07-16 | 2020-04-09 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 제조 방법 |
US10712596B2 (en) | 2013-08-02 | 2020-07-14 | Samsung Display Co., Ltd. | Liquid crystal display |
KR102185102B1 (ko) | 2014-01-10 | 2020-12-02 | 삼성디스플레이 주식회사 | 어레이 기판, 이를 갖는 액정 표시 패널 및 이의 제조방법 |
KR102272422B1 (ko) * | 2015-01-14 | 2021-07-02 | 삼성디스플레이 주식회사 | 박막 트랜지스터 기판 및 그 제조 방법 |
JP2016133590A (ja) * | 2015-01-19 | 2016-07-25 | ソニー株式会社 | 表示装置及び電子機器 |
KR102334811B1 (ko) * | 2015-04-30 | 2021-12-03 | 삼성디스플레이 주식회사 | 박막 트랜지스터 기판 |
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KR101036723B1 (ko) | 2003-12-30 | 2011-05-24 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조방법 |
KR101056012B1 (ko) | 2004-06-28 | 2011-08-11 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조방법 |
JP2006267524A (ja) * | 2005-03-24 | 2006-10-05 | Sharp Corp | 液晶パネル、液晶表示装置および液晶パネルの製造方法 |
JP3974141B2 (ja) * | 2005-06-23 | 2007-09-12 | 三菱電機株式会社 | 半透過型液晶表示装置 |
KR20070077702A (ko) | 2006-01-24 | 2007-07-27 | 삼성전자주식회사 | 표시 장치 및 그 형성 방법 |
KR20070077998A (ko) | 2006-01-25 | 2007-07-30 | 삼성전자주식회사 | 컬러 필터 기판과 그 제조 방법 및 이를 포함한 액정 표시패널 |
JP2007240543A (ja) | 2006-03-03 | 2007-09-20 | Toshiba Matsushita Display Technology Co Ltd | 液晶表示素子およびその製造方法 |
KR20080034545A (ko) | 2006-10-17 | 2008-04-22 | 삼성전자주식회사 | 액정 표시 장치 및 그 제조 방법 |
JP2008158138A (ja) * | 2006-12-22 | 2008-07-10 | Dainippon Printing Co Ltd | カラーフィルタ基板および液晶表示装置 |
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JP2010128495A (ja) | 2010-06-10 |
US20100133538A1 (en) | 2010-06-03 |
KR101549963B1 (ko) | 2015-09-04 |
KR20100061125A (ko) | 2010-06-07 |
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