JP5517757B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
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- JP5517757B2 JP5517757B2 JP2010130628A JP2010130628A JP5517757B2 JP 5517757 B2 JP5517757 B2 JP 5517757B2 JP 2010130628 A JP2010130628 A JP 2010130628A JP 2010130628 A JP2010130628 A JP 2010130628A JP 5517757 B2 JP5517757 B2 JP 5517757B2
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 149
- 239000000758 substrate Substances 0.000 claims description 65
- 239000003990 capacitor Substances 0.000 claims description 48
- 239000010408 film Substances 0.000 description 30
- 239000011295 pitch Substances 0.000 description 29
- 239000004065 semiconductor Substances 0.000 description 29
- 239000010410 layer Substances 0.000 description 26
- 239000010409 thin film Substances 0.000 description 22
- 230000005684 electric field Effects 0.000 description 19
- 230000001681 protective effect Effects 0.000 description 15
- 239000004020 conductor Substances 0.000 description 14
- 230000002093 peripheral effect Effects 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 8
- 239000003086 colorant Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000010287 polarization Effects 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013039 cover film Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000011241 protective layer 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
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000002161 passivation Methods 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
- 230000002123 temporal effect Effects 0.000 description 1
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
- G02F1/1343—Electrodes
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
-
- 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
- G02F1/13624—Active matrix addressed cells having more than one switching element per pixel
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133742—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers for homeotropic alignment
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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)
- Geometry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
Description
100 下部基板
110、210 基板
121 ゲート線
123 降圧ゲート線
125 維持電極線
140 ゲート絶縁膜
151、154、154h、154l、154c 半導体
161、163、165、163h、165h オーミックコンタクト部材
171 データ線
173、173h、173l、173c ソース電極
175、175h、175l、175c ドレイン電極
180、180p、180q 保護膜
185、185h、185l コンタクトホール
191、191h、191l 画素電極
200 上部基板
220 遮光部材
230 カラーフィルタ
270 共通電極
Claims (27)
- 第1基板と、
前記第1基板上に形成され、複数の微細枝部を含む画素電極と、
を含み、前記画素電極は、隣接する前記微細枝部の間の間隔が第1距離の第1領域、隣接する前記微細枝部の間の間隔が前記第1距離より大きい第2距離の第2領域、及び前記第1領域と前記第2領域との間に位置し、前記微細枝部の間の間隔が前記第1領域側から前記第2領域側に向かって段階的に大きくなる第3領域を含む、液晶表示装置。 - 前記第1領域の前記微細枝部のピッチ(pitch)は第1ピッチであり、前記第2領域の前記微細枝部のピッチは第2ピッチであり、前記第1ピッチは前記第2ピッチより小さい、請求項1に記載の液晶表示装置。
- 前記第1領域、前記第2領域、及び前記第3領域における前記微細枝部の幅は一定である、請求項2に記載の液晶表示装置。
- 前記微細枝部の幅は3.5μm〜4.5μmである、請求項3に記載の液晶表示装置。
- 前記第1領域は前記第2領域より面積が大きい、請求項1に記載の液晶表示装置。
- 前記第1領域は前記画素電極面積の60〜70%を占める、請求項5に記載の液晶表示装置。
- 前記第3領域は前記画素電極面積の15〜25%を占める、請求項5に記載の液晶表示装置。
- 前記第3領域は前記画素電極面積の15〜25%を占める、請求項1に記載の液晶表示装置。
- 前記第1距離は2.5μm〜3.5μmであり、前記第2距離は3.5μm〜4.5μmである、請求項1に記載の液晶表示装置。
- 前記第3領域における前記微細枝部の間の距離は0.2μm〜0.3μmずつ段階的に変化する、請求項9に記載の液晶表示装置。
- 前記第1距離は2.5μm〜3.5μmであり、前記第2距離は4.5μm〜5.5μmである、請求項1に記載の液晶表示装置。
- 前記第3領域における前記微細枝部の間の距離は0.2μm〜0.3μmずつ段階的に変化する、請求項11に記載の液晶表示装置。
- 前記微細枝部の幅は3.5μm〜4.5μmである、請求項1に記載の液晶表示装置。
- 前記画素電極は、前記微細枝部の長さ方向が互いに異なる複数の副領域に分れ、前記各副領域は、前記第1領域、前記第2領域、及び前記第3領域を含む、請求項1に記載の液晶表示装置。
- 前記画素電極は互いに分離されている第1副画素電極及び第2副画素電極を含み、
前記第1副画素電極と前記第2副画素電極の電圧は互いに異なる、請求項1に記載の液晶表示装置。 - 前記第1副画素電極と前記第2副画素電極はそれぞれ複数の微細枝部を含み、
前記第2副画素電極は、前記第1領域、前記第2領域、及び前記第3領域を含む、請求項15に記載の液晶表示装置。 - 前記第1副画素電極と前記第2副画素電極は、1つの映像情報から得られた互いに異なるデータ電圧の印加を受ける、請求項15に記載の液晶表示装置。
- 前記第1基板上に形成されるデータ線及びゲート線をさらに含み、
前記第1副画素電極は、第1スイッチング素子を通じて前記データ線及び前記ゲート線に接続され、
前記第2副画素電極は、第2スイッチング素子を通じて前記データ線及び前記ゲート線に接続され、
前記第2副画素電極は、第3スイッチング素子を通じて降圧キャパシタと接続される、請求項15に記載の液晶表示装置。 - 前記画素電極は、前記複数の微細枝部の端を接続する接続部をさらに含む、請求項1に記載の液晶表示装置。
- 前記接続部の幅は、前記微細枝部の幅の2.5倍以下である、請求項19に記載の液晶表示装置。
- 前記第1基板上に形成され、スイッチング素子を通じて前記画素電極と接続されるデータ線及びゲート線をさらに含み、
前記接続部は、前記ゲート線と少なくとも一部分が重畳する、請求項20に記載の液晶表示装置。 - 前記接続部は、前記ゲート線と前記ゲート線の幅方向に完全に重畳する、請求項21に記載の液晶表示装置。
- 前記第1基板上に形成され、共通電圧を伝達する維持電極線をさらに含み、
前記接続部は、前記維持電極線と少なくとも一部分が重畳する、請求項21に記載の液晶表示装置。 - 前記第1基板上に形成され、スイッチング素子を通じて前記画素電極と接続されるデータ線及びゲート線をさらに含み、
前記接続部は、前記ゲート線と少なくとも一部分が重畳する、請求項19に記載の液晶表示装置。 - 前記接続部は、前記ゲート線と前記ゲート線の幅方向に完全に重畳する、請求項24に記載の液晶表示装置。
- 前記第1基板上に形成され、共通電圧を伝達する維持電極線をさらに含み、
前記接続部は、前記維持電極線と少なくとも一部分が重畳する、請求項24に記載の液晶表示装置。 - 前記第1基板上に形成され、共通電圧を伝達する維持電極線をさらに含み、
前記接続部は、前記維持電極線と少なくとも一部分が重畳する、請求項19に記載の液晶表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2009-0087743 | 2009-09-16 | ||
KR1020090087743A KR101623160B1 (ko) | 2009-09-16 | 2009-09-16 | 액정 표시 장치 |
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JP2011065134A JP2011065134A (ja) | 2011-03-31 |
JP5517757B2 true JP5517757B2 (ja) | 2014-06-11 |
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US (1) | US8279385B2 (ja) |
JP (1) | JP5517757B2 (ja) |
KR (1) | KR101623160B1 (ja) |
CN (1) | CN102023420B (ja) |
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KR20120089505A (ko) * | 2010-12-10 | 2012-08-13 | 삼성전자주식회사 | 표시 장치 및 그 제조 방법 |
KR101744920B1 (ko) * | 2010-12-15 | 2017-06-09 | 삼성디스플레이 주식회사 | 액정 표시 패널 |
CN102279492A (zh) * | 2011-08-29 | 2011-12-14 | 深圳市华星光电技术有限公司 | 液晶显示面板及其应用的显示装置 |
CN102305983A (zh) * | 2011-08-29 | 2012-01-04 | 深圳市华星光电技术有限公司 | 液晶显示面板及其应用的显示装置 |
US9046713B2 (en) | 2012-01-26 | 2015-06-02 | Samsung Display Co., Ltd. | Liquid crystal display |
CN102608815A (zh) * | 2012-03-22 | 2012-07-25 | 深圳市华星光电技术有限公司 | 液晶显示面板以及其制造方法 |
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TWI472860B (zh) * | 2012-05-07 | 2015-02-11 | Au Optronics Corp | 顯示面板 |
KR101888034B1 (ko) * | 2012-05-31 | 2018-09-11 | 엘지디스플레이 주식회사 | 횡전계형 액정표시장치용 어레이 기판 및 이를 구비한 입체 영상 표시장치 |
CN102759825B (zh) * | 2012-07-16 | 2016-07-06 | 深圳市华星光电技术有限公司 | 一种液晶显示面板 |
CN102902117A (zh) * | 2012-07-17 | 2013-01-30 | 深圳市华星光电技术有限公司 | 液晶显示面板及其应用的显示装置 |
KR101960652B1 (ko) | 2012-10-10 | 2019-03-22 | 삼성디스플레이 주식회사 | 어레이 기판 및 이를 구비하는 액정 표시 장치 |
CN103048838B (zh) * | 2012-12-13 | 2015-04-15 | 北京京东方光电科技有限公司 | 一种阵列基板、液晶显示面板及驱动方法 |
KR101995919B1 (ko) * | 2013-01-30 | 2019-07-04 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
KR102098712B1 (ko) * | 2013-07-16 | 2020-04-09 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 제조 방법 |
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