JP7434159B2 - 表示装置 - Google Patents
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- JP7434159B2 JP7434159B2 JP2020539158A JP2020539158A JP7434159B2 JP 7434159 B2 JP7434159 B2 JP 7434159B2 JP 2020539158 A JP2020539158 A JP 2020539158A JP 2020539158 A JP2020539158 A JP 2020539158A JP 7434159 B2 JP7434159 B2 JP 7434159B2
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- Prior art keywords
- display panel
- protective cover
- display
- layer
- transistor
- Prior art date
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Images
Classifications
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- 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
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- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
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- G02B1/14—Protective coatings, e.g. hard coatings
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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
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- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G—PHYSICS
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- 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
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- G02F1/133305—Flexible substrates, e.g. plastics, organic film
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- 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
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- G—PHYSICS
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- 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
- G02F1/133528—Polarisers
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- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
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- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
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- 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
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- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
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- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
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- 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
- H10K59/40—OLEDs integrated with touch screens
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- 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
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
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- 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
- H10K59/80—Constructional details
- H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
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- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
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- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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Description
図2A乃至図2Fは、表示装置の構成例を説明する図である。
図3A乃至図3Fは、表示装置の構成例を説明する図である。
図4A乃至図4Dは、表示装置の構成例を説明する図である。
図5A乃至図5Fは、表示装置の構成例を説明する図である。
図6A乃至図6Fは、表示装置の構成例を説明する図である。
図7A乃至図7Dは、表示装置の構成例を説明する図である。
図8A乃至図8Cは、表示装置の構成例を説明する図である。
図9A乃至図9Dは、表示装置の構成例を説明する図である。
図10A乃至図10F2は、表示装置の構成例を説明する図である。
図11は、表示装置の構成例を説明する図である。
図12A及び図12Bは、表示装置の構成例を説明する図である。
図13は、表示パネルの構成例を説明する図である。
図14は、表示パネルの構成例を説明する図である。
図15は、表示パネルの構成例を説明する図である。
図16Aは、表示装置のブロック図である。図16B及び図16Cは、画素の回路図である。
図17A、図17C及び図17Dは、表示装置の回路図である。図17Bは、タイミングチャートである。
図18A乃至図18Eは、画素の構成例を説明する図である。
本実施の形態では、本発明の一態様の表示装置の構成例について説明する。以下では、フレキシブルディスプレイパネルを有する表示装置について説明する。
図1Aに、表示装置10の斜視概略図を示す。表示装置10は、表示パネル11、保護カバー12、支持体21、及び支持体22を有する。また、表示パネル11は、表示部15を有している。
以下では、上記構成例の変形例について説明する。
上記図3A等で例示した構成では、保護カバー12と支持体21との端部が固定された場合を示したが、保護カバー12が、いずれの支持体にも固定されない構成とすることもできる。
上記構成例及び変形例1では、表示パネル11が湾曲していない部分では、表示パネル11と保護カバー12とが接して設けられる例を示したが、これらの間に間隙が設けられた構成としてもよい。
表示パネル11と保護カバー12との間には、一以上のシート状の部材が設けられていてもよい。
続いて、支持体21及び支持体22の構成の一例について説明する。
以下では、より具体的な表示装置の構成例を説明する。図11に、表示装置10の斜視概略図を示す。また、図12Aには、図11に示す表示装置10を部品ごとに分解した斜視概略図を示す。
本実施の形態では、本発明の一態様の表示装置に適用可能な表示パネルの構成例について説明する。
図13に、表示パネル700の上面図を示す。表示パネル700は、可撓性を有する支持基板745が適用され、フレキシブルディスプレイとして用いることができる。また表示パネル700は、可撓性を有する支持基板745上に設けられた画素部702を有する。また支持基板745上にはソースドライバ回路部704、一対のゲートドライバ回路部706、配線710等が設けられる。また画素部702には、複数の表示素子が設けられる。
以下では、表示素子として有機EL素子を用いる構成について、図14及び図15を用いて説明する。図14及び図15は、それぞれ図13で示した表示パネル700の、一点鎖線S-Tにおける断面概略図である。
以下では、表示装置に適用可能なトランジスタ等の構成要素について説明する。
トランジスタは、ゲート電極として機能する導電層と、半導体層と、ソース電極として機能する導電層と、ドレイン電極として機能する導電層と、ゲート絶縁層として機能する絶縁層と、を有する。
以下では、本発明の一態様で開示されるトランジスタに用いることができるCAC(Cloud-Aligned Composite)-OSの構成について説明する。
トランジスタのゲート、ソースおよびドレインのほか、表示装置を構成する各種配線および電極などの導電層に用いることのできる材料としては、アルミニウム、チタン、クロム、ニッケル、銅、イットリウム、ジルコニウム、モリブデン、銀、タンタル、またはタングステンなどの金属、またはこれを主成分とする合金などが挙げられる。またこれらの材料を含む膜を単層で、または積層構造として用いることができる。例えば、シリコンを含むアルミニウム膜の単層構造、チタン膜上にアルミニウム膜を積層する二層構造、タングステン膜上にアルミニウム膜を積層する二層構造、銅-マグネシウム-アルミニウム合金膜上に銅膜を積層する二層構造、チタン膜上に銅膜を積層する二層構造、タングステン膜上に銅膜を積層する二層構造、チタン膜または窒化チタン膜と、その上に重ねてアルミニウム膜または銅膜を積層し、さらにその上にチタン膜または窒化チタン膜を形成する三層構造、モリブデン膜または窒化モリブデン膜と、その上に重ねてアルミニウム膜または銅膜を積層し、さらにその上にモリブデン膜または窒化モリブデン膜を形成する三層構造等がある。なお、酸化インジウム、酸化錫または酸化亜鉛等の酸化物を用いてもよい。また、マンガンを含む銅を用いると、エッチングによる形状の制御性が高まるため好ましい。
各絶縁層に用いることのできる絶縁材料としては、例えば、アクリル、エポキシなどの樹脂、シロキサン結合を有する樹脂の他、酸化シリコン、酸化窒化シリコン、窒化酸化シリコン、窒化シリコン、酸化アルミニウムなどの無機絶縁材料を用いることもできる。
本実施の形態では、表示装置の構成例について、図16A乃至図16Cを用いて説明を行う。
以下では、画素の階調を補正するためのメモリを備える画素回路と、これを有する表示装置について説明する。
図17Aに、画素回路400の回路図を示す。画素回路400は、トランジスタM1、トランジスタM2、容量C1、及び回路401を有する。また画素回路400には、配線S1、配線S2、配線G1、及び配線G2が接続される。
続いて、図17Bを用いて、画素回路400の動作方法の一例を説明する。図17Bは、画素回路400の動作に係るタイミングチャートである。なおここでは説明を容易にするため、配線抵抗などの各種抵抗や、トランジスタや配線などの寄生容量、及びトランジスタのしきい値電圧などの影響は考慮しない。
期間T1では、配線G1と配線G2の両方に、トランジスタをオン状態にする電位を与える。また、配線S1には固定電位である電位Vrefを供給し、配線S2には第1データ電位Vwを供給する。
続いて期間T2では、配線G1にはトランジスタM1をオン状態とする電位を与え、配線G2にはトランジスタM2をオフ状態とする電位を与える。また、配線S1には第2データ電位Vdataを供給する。配線S2には所定の定電位を与える、またはフローティング状態としてもよい。
〔液晶素子を用いた例〕
図17Cに示す画素回路400LCは、回路401LCを有する。回路401LCは、液晶素子LCと、容量C2とを有する。
図17Dに示す画素回路400ELは、回路401ELを有する。回路401ELは、発光素子EL、トランジスタM3、及び容量C2を有する。
以下では、本発明の一態様の表示装置の画素の構成例について説明する。
Claims (3)
- 表示パネルと、保護カバーと、を有する表示装置であって、
前記表示パネルは、可撓性を有する第1の部分を有し、
前記保護カバーは、透光性及び可撓性を有し、且つ、前記表示パネルの表示面側に接して設けられ、
前記表示装置は、第1の形態と、第2の形態と、に可逆的に変形する機能を有し、
前記第1の形態のとき、前記表示パネルと、前記保護カバーとは、それぞれ概略平坦であり、
前記第2の形態のとき、前記表示面側が凹曲面となるように前記表示パネルの前記第1の部分が湾曲し、且つ、前記保護カバーの一部が前記第1の部分と同じ向きに湾曲し、
前記第2の形態のとき、前記第1の部分と、前記保護カバーとは接しておらず、
前記表示パネルは、第1のゲートドライバと、第2のゲートドライバと、前記第1のゲートドライバと前記第2のゲートドライバとの間に位置する領域を有する画素部と、有し、
前記第1のゲートドライバは、前記画素部の長手方向における第1の辺側に位置し、
前記第2のゲートドライバは、前記画素部の長手方向における第2の辺側に位置し、
前記第2の形態のとき、前記画素部、前記第1のゲートドライバ、及び前記第2のゲートドライバの各々は、前記第1の部分に位置する領域を有する、表示装置。 - 表示パネルと、積層構造を有する保護カバーと、を有する表示装置であって、
前記表示パネルは、可撓性を有する第1の部分を有し、
前記保護カバーは、透光性及び可撓性を有し、且つ、前記表示パネルの表示面側に接して設けられ、
前記表示装置は、第1の形態と、第2の形態と、に可逆的に変形する機能を有し、
前記第1の形態のとき、前記表示パネルと、前記保護カバーとは、それぞれ概略平坦であり、
前記第2の形態のとき、前記表示面側が凹曲面となるように前記表示パネルの前記第1の部分が湾曲し、且つ、前記保護カバーの一部が前記第1の部分と同じ向きに湾曲し、
前記第2の形態のとき、前記第1の部分は、前記保護カバーとは接していない、表示装置。 - 請求項1又は2において、
前記保護カバーは、タッチパネル、または円偏光板としての機能を有する、表示装置。
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CN110459131A (zh) * | 2019-07-30 | 2019-11-15 | 武汉华星光电半导体显示技术有限公司 | 可折叠显示装置 |
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CN110910767B (zh) * | 2019-11-29 | 2020-12-25 | 武汉华星光电半导体显示技术有限公司 | 柔性显示屏及显示装置 |
CN113443147A (zh) * | 2020-03-24 | 2021-09-28 | 空中客车(中国)企业管理服务有限公司 | 集成式飞行器乘客娱乐设备、飞行器乘客座椅和飞行器 |
USD987622S1 (en) | 2020-03-25 | 2023-05-30 | Intel Corporation | Portable computer |
CN111752415B (zh) | 2020-06-24 | 2024-01-19 | 京东方科技集团股份有限公司 | 一种触控模组、其制备方法及显示装置 |
CN111816070B (zh) * | 2020-07-01 | 2021-08-03 | 武汉华星光电半导体显示技术有限公司 | 显示装置 |
KR20220025969A (ko) * | 2020-08-24 | 2022-03-04 | 삼성디스플레이 주식회사 | 폴더블 윈도우 및 이를 포함하는 표시 장치 |
EP4180906A4 (en) * | 2020-12-04 | 2024-02-14 | Samsung Electronics Co., Ltd. | ELECTRONIC DEVICE WITH PROTECTIVE ELEMENT |
KR20220087193A (ko) * | 2020-12-17 | 2022-06-24 | 엘지디스플레이 주식회사 | 폴더블 표시 장치 |
TWI775547B (zh) * | 2021-07-29 | 2022-08-21 | 宏碁股份有限公司 | 折疊式電子裝置及其控制方法 |
CN115019666B (zh) * | 2022-05-23 | 2022-11-18 | 国家国防科技工业局军工项目审核中心 | 一种满足大屏端模拟需求的分屏式显示组件 |
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JPWO2020044171A1 (ja) | 2021-09-30 |
WO2020044171A1 (ja) | 2020-03-05 |
KR20210041028A (ko) | 2021-04-14 |
CN112534492A (zh) | 2021-03-19 |
CN117542269A (zh) | 2024-02-09 |
US11907017B2 (en) | 2024-02-20 |
CN112534492B (zh) | 2023-12-05 |
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