JP2021015597A - 表示装置 - Google Patents
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- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
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- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
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- H10K59/873—Encapsulations
- H10K59/8731—Encapsulations multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
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- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/875—Arrangements for extracting light from the devices
- H10K59/879—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- H10K59/12—Active-matrix OLED [AMOLED] displays
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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Abstract
Description
前記表示要素は、画素電極と、前記画素電極のエッジをカバーし、前記画素電極と重畳する第2開口を含む画素定義膜と、前記第2開口に位置する発光層と、前記発光層をカバーする対向電極と、を含み、前記第1絶縁層のボディ部分は、前記画素定義膜と重畳してもよい。
前記第1開口の幅は、前記画素定義膜の前記開口の幅よりも広くてもよい。
そのような構造の薄膜トランジスタTFTと基板100との間には、シリコン酸化物、シリコン窒化物及び/またはシリコン酸窒化物のような無機物を含むバッファ層201が介在されてもよい。そのようなバッファ層201は、基板100の上面の平滑性を高め、基板100などからの不純物が、薄膜トランジスタTFTの半導体層ACTに浸透することを防止し、基板100などからの不純物を最小化させる役割を行うことができる。
図11の表示装置において、基板100から封止層300までの構造は、先に図7を参照して説明したところと同一であるので、以下では、機能層400’を中心に説明する。
200 表示層
209 画素定義膜
209OP 画素定義膜の開口(第2開口)
221 画素電極
222 中間層
223 対向電極
300 封止層
310 第1無機封止層
320 有機封止層
330 第2無機封止層
400,400’ 機能層(タッチセンシング層)
420,420’ 第1絶縁層(第1有機絶縁層)
420S,420’S 側面
420OP,420’OP 第1開口
440,440’ 第2絶縁層(第2有機絶縁層)
Claims (20)
- 基板と、
前記基板上に配置された表示要素と、
前記表示要素上に配置され、少なくとも1層の無機封止層、及び少なくとも1層の有機封止層を含む封止層と、
前記封止層上に配置されるタッチセンシング層と、を含み、
前記タッチセンシング層は、
前記封止層の上面に対して傾いた側面を具備し、有機物を含む第1絶縁層と、
センシング電極を含む導電層と、
前記導電層をカバーし、前記第1絶縁層と異なる屈折率の第2絶縁層と、を含む表示装置。 - 前記第1絶縁層の少なくとも一部は、前記封止層の上面と直接接触することを特徴とする請求項1に記載の表示装置。
- 前記封止層は、順次に積層された第1無機封止層、有機封止層及び第2無機封止層を含み、前記第1絶縁層の少なくとも一部は、前記第2無機封止層と直接接触することを特徴とする請求項2に記載の表示装置。
- 前記第1絶縁層は、フォトレジストを含むことを特徴とする請求項1に記載の表示装置。
- 前記第1絶縁層は、前記表示要素の発光領域と重畳し、前記側面によって定義される第1開口を含み、
前記第2絶縁層は、前記第1開口を少なくとも部分的に充填することを特徴とする請求項1に記載の表示装置。 - 前記第2絶縁層の屈折率は、前記第1絶縁層の屈折率より大きいことを特徴とする請求項5に記載の表示装置。
- 前記表示要素は、
画素電極と、
前記画素電極のエッジをカバーし、前記画素電極と重畳する第2開口を含む画素定義膜と、
前記第2開口に位置する発光層と、
前記発光層をカバーする対向電極と、を含み、
前記第1絶縁層のボディ部分は、前記画素定義膜と重畳することを特徴とする請求項5に記載の表示装置。 - 前記第1開口の幅は、前記第2開口の幅より広いことを特徴とする請求項7に記載の表示装置。
- 前記第1絶縁層は、前記表示要素の発光領域と重畳し、前記発光領域の幅より広幅を有することを特徴とする請求項1に記載の表示装置。
- 前記第1絶縁層の前記側面は、前記封止層から遠くなる方向に逆テーパ状の傾斜面を含むことを特徴とする請求項9に記載の表示装置。
- 前記表示要素は、
画素電極と、
前記画素電極のエッジをカバーし、前記画素電極と重畳する第2開口を含む画素定義膜と、
前記第2開口と重畳するように位置する発光層と、
前記発光層をカバーする対向電極と、を含み、
前記第1絶縁層の中央部分は、前記第2開口に重畳し、エッジ部分は、前記画素定義膜と重畳することを特徴とする請求項9に記載の表示装置。 - 前記第1絶縁層の屈折率は、前記第2絶縁層の屈折率より大きいことを特徴とする請求項9に記載の表示装置。
- 基板と、
前記基板上の画素電極と、
前記画素電極と重畳する開口を含み、発光領域を定義する画素定義膜と、
前記開口に位置する発光層と、
前記発光層上の対向電極と、
前記対向電極上に位置し、少なくとも1層の無機封止層、及び少なくとも1層の有機封止層を含む封止層と、
前記封止層上に位置し、センシング電極を含む導電層と、
前記封止層の上面と傾斜をなす側面を含む第1有機絶縁層と、
前記第1有機絶縁層及び前記導電層をカバーし、前記第1有機絶縁層と屈折率が異なる第2有機絶縁層と、を含む表示装置。 - 第1有機絶縁層は、フォトレジストを含むことを特徴とする請求項13に記載の表示装置。
- 前記封止層は、順次に積層された第1無機封止層、有機封止層及び第2無機封止層を含み、前記第1有機絶縁層の少なくとも一部は、前記第2無機封止層と直接接触することを特徴とする請求項13に記載の表示装置。
- 前記第1有機絶縁層は、
前記画素定義膜の前記開口と重畳する第1開口と、
前記画素定義膜のボディ部分と重畳するボディ部分と、を含むことを特徴とする請求項13に記載の表示装置。 - 前記第1開口の幅は、前記画素定義膜の前記開口の幅より広いことを特徴とする請求項16に記載の表示装置。
- 前記第2有機絶縁層は、前記第1開口を少なくとも部分的に充填し、前記第2有機絶縁層の屈折率は、前記第1有機絶縁層の屈折率より大きいことを特徴とする請求項16に記載の表示装置。
- 前記第1有機絶縁層は、前記画素定義膜の開口と重畳するボディ部分を含み、前記第1有機絶縁層の前記側面は、前記封止層から遠くなる方向に逆テーパ状の傾斜面を含み、
前記第2有機絶縁層の屈折率は、前記第1有機絶縁層の屈折率より小さいことを特徴とする請求項13に記載の表示装置。 - 前記第1有機絶縁層のエッジ部分は、前記画素定義膜のボディ部分の一部と重畳することを特徴とする請求項13に記載の表示装置。
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WO2022175774A1 (ja) * | 2021-02-19 | 2022-08-25 | 株式会社半導体エネルギー研究所 | 表示装置および表示装置の作製方法 |
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KR102787862B1 (ko) * | 2019-07-11 | 2025-04-01 | 삼성디스플레이 주식회사 | 표시 장치 |
KR102785603B1 (ko) * | 2019-12-03 | 2025-03-27 | 삼성디스플레이 주식회사 | 표시 장치 |
KR102792346B1 (ko) * | 2020-01-17 | 2025-04-09 | 삼성디스플레이 주식회사 | 표시 장치 |
KR20210149282A (ko) * | 2020-06-01 | 2021-12-09 | 삼성디스플레이 주식회사 | 표시 패널 및 전자 기기 |
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US12171116B2 (en) | 2024-12-17 |
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KR20210008240A (ko) | 2021-01-21 |
CN112216726A (zh) | 2021-01-12 |
JP7542330B2 (ja) | 2024-08-30 |
US20210013452A1 (en) | 2021-01-14 |
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US11081676B2 (en) | 2021-08-03 |
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