JP2024063107A - 表示装置 - Google Patents
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- JP2024063107A JP2024063107A JP2024028911A JP2024028911A JP2024063107A JP 2024063107 A JP2024063107 A JP 2024063107A JP 2024028911 A JP2024028911 A JP 2024028911A JP 2024028911 A JP2024028911 A JP 2024028911A JP 2024063107 A JP2024063107 A JP 2024063107A
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- Prior art keywords
- light
- emitting
- display device
- substrate
- type semiconductor
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/10—Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00
- H10H29/14—Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00 comprising multiple light-emitting semiconductor components
- H10H29/142—Two-dimensional arrangements, e.g. asymmetric LED layout
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00
- H01L25/0753—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00 the devices being arranged next to each other
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- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00
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- 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
- 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
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- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
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- H10H20/822—Materials of the light-emitting regions
- H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
- H10H20/825—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP containing nitrogen, e.g. GaN
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- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
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- H10H20/84—Coatings, e.g. passivation layers or antireflective coatings
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
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- H10H20/853—Encapsulations characterised by their shape
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- H—ELECTRICITY
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- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
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- H10H20/854—Encapsulations characterised by their material, e.g. epoxy or silicone resins
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
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- H10H20/855—Optical field-shaping means, e.g. lenses
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
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- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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Abstract
【解決手段】表示装置が提供される。表示装置は、フレキシブル基板と、フレキシブル基板上に互いに離間して配置された複数の発光ダイオードと、発光ダイオード間を満たし、各発光ダイオードの一部を覆って、個々の発光面を規定する遮光層LSと、を有し、発光面間の距離は、互いに等しい。係る表示装置によれば、フレキシブル基板上に複数の発光部を含む複数の発光素子を配置することで、低消費電力で高効率の光を取り出すことができ、これにより、当該表示装置は、様々な電子機器に適用することができる。
【選択図】図1b
Description
させる材料を含んでいてもよい。
樹脂、ポリエーテルエーテルケトン(PEEK)樹脂、およびポリ塩化ビニル樹脂のうちの少なくとも一つを含んでいてもよい。ただし、本発明の概念は、これに限定されるものではない。
一つが用いられてもよい。第1発光部LE1において、第1n型半導体層102、第1活性層104、第1p型半導体層106、および第1オーミック層108が順次積層されてもよいし、第2発光部LE2において、第2オーミック層208、第2p型半導体層206、第2活性層204、および第2n型半導体層202が順次積層されてもよいし、第3発光部LE3において、第3オーミック層308、第3p型半導体層306、第3活性層304、および第3n型半導体層302が順次積層されてもよい。例示的な実施形態によれば、第2発光部LE2は、第1発光部LE1よりも小さい平面面積を有し、第3発光部LE3は、第2発光部LE2よりも小さい平面面積を有していてもよい。例えば、第1発光部LE1は、第1活性層104、第1p型半導体層106、および第1オーミック層108をエッチングして、第1n型半導体層102の一部を露出させた構造を有していてもよい。第2発光部LE2は、第1オーミック層108を露出させるように、第1発光部LE1よりも小さい平面面積を有していてもよく、第2p型半導体層206、第2活性層204、および第2n型半導体層202がエッチングされて、第2オーミック層208の一部が露出した構造を有していてもよい。第3発光部LE3は、第2n型半導体層202を露出させるように、第2発光部LE2よりも小さい平面面積を有していてもよく、第3p型半導体層306、第3活性層304、および第3n型半導体層302がエッチングされて、第3オーミック層308の一部が露出した構造を有していてもよい。
ンゾシクロブテン(BCB:benzocyclobutene)、ハイドロジェンシルセスキオキサン(HSQ:hydrogen silsesquioxane)、およびSU-8フォトレジストのうちの少なくとも1つを含んでいてもよい。
E2および第3発光部LE3から発せられた光を通過させてもよく、第1発光部LE1から発せられた光が、第2発光部LE2および第3発光部LE3のそれぞれに影響を及ぼさないようにしてもよい。第2カラーフィルタCF2は、第1発光部LE1および第2発光部LE2のそれぞれから発せられた光を反射し、第3発光部LE3から発せられた光を通過させてもよく、第1発光部LE1および第2発光部LE2から発せられた光が、第3発光部LE3に影響を及ぼさないようにしてもよい。第1カラーフィルタCF1および第2カラーフィルタCF2それぞれはTiO2とSiO2とが交互に積層された構造を有する分散型ブラッグリフレクタ(DBR:Distributed Bragg Reflector)を含んでいてもよい。例えば、第2カラーフィルタCF2におけるTiO2とSiO2との交互の順序または数は、第1カラーフィルタCF1におけるTiO2とSiO2とが交互の順序または数と異なっていてもよい。
:solder ball)のような導電性材料によって電気的に接続されていてもよい。
形態では、第1カラーフィルタCF1は省略されてもよい。第2基板上に、第2n型半導体層202、第2活性層204、第2p型半導体層206、および第2オーミック層208を順次形成することにより、第2発光部LE2を形成してもよい。第3基板上に、第3n型半導体層302、第3活性層304、第3p型半導体層306、および第3オーミック層308を順次形成することにより、第3発光部LE3を形成してもよい。第3オーミック層308上に、第2カラーフィルタCF2をさらに形成されていてもよい。ただし、いくつかの例示的な実施形態では、第2カラーフィルタCF2は、省略されてもよい。第1オーミック層108上に第1接着部AD1を形成し、第2オーミック層208が第1接着部AD1に接着されるように、第2発光部LE2を接着させた後、レーザリフトオフ(LLO:Laser Lift Off)または化学的リフトオフ(CLO:Chemical Lift Off)を用いて、第2基板を除去してもよい。また、第2n型半導体層202上に、第2接着部AD2を形成し、第2接着部AD2に第3オーミック層308が接着されるように、第3発光部LE3を接着させた後、LLOまたはCLOを用いて第3基板を除去してもよい。
導体層102の実質的な表面に形成された誘電体層IDL上に配置される第3延長パターンEL3と、第1共通コンタクトパターンCCT1および第2共通コンタクトパターンCCT2と電気的に接触し、第1発光部LE1、第2発光部LE2、および第3発光部LE3の側面に沿って、第1n型半導体層102の実質的な表面に形成された誘電体層IDL上に延在する共通延長パターンCELを形成を形成してもよい。
Claims (11)
- フレキシブル基板と、
前記基板上に互いに離間して配置された複数の発光素子と、
前記複数の発光素子の間を満たし、前記複数の発光素子のそれぞれを部分的に覆って光抽出面を画定する遮光層と、を含み、
前記光抽出面との距離は同じである、表示装置。 - 前記複数の発光素子は、第1方向における第1距離に互いに離間され、前記第1方向と垂直な第2方向における第2距離に互いに離間され、
前記第1距離は前記第2距離と等しいか、又はそれ以上である、請求項1に記載の表示装置。 - 前記基板は、前記第1方向にロールされるように構成される、請求項2に記載の表示装置。
- 前記第1距離が前記第2距離よりも大きい場合、
前記遮光層が、前記第1方向に前記発光素子を覆う領域よりも、前記第2方向に前記発光素子を覆う領域がより大きい、請求項2に記載の表示装置。 - 前記複数の発光素子と電気的に共通に接続された共通回路をさらに含み、
前記共通回路は、前記基板上に配置され、メッシュ構造を有する、請求項1に記載の表示装置。 - 前記基板上に、前記発光素子を覆う保護層をさらに有し、
前記保護層は、可視光を透過させる材料を含む、請求項1に記載の表示装置。 - 前記基板の硬度は、前記複数の発光素子のそれぞれの硬度よりも小さい、請求項1に記載の表示装置。
- 前記複数の発光素子のそれぞれは、前記基板上に、互いに水平に離間して設けられた第1発光部、第2発光部、および第3発光部を含む、請求項1に記載の表示装置。
- 前記複数の発光素子のそれぞれは、前記基板上に、垂直に積層された第1発光部、第2発光部、および第3発光部を含む、請求項1に記載の表示装置。
- 前記第3発光部は、前記第2発光部の幅よりも小さい幅を有し、前記第2発光部は、前記第1発光部よりも小さい幅を有する、請求項9に記載の表示装置。
- 前記複数の発光素子のそれぞれは、前記基板の一面から上に行くほど小さくなる幅を有する、請求項1に記載の表示装置。
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KR102481524B1 (ko) * | 2016-01-11 | 2022-12-26 | 엘지전자 주식회사 | 반도체 발광 소자를 이용한 디스플레이 장치 |
KR102513080B1 (ko) * | 2016-04-04 | 2023-03-24 | 삼성전자주식회사 | Led 광원 모듈 및 디스플레이 장치 |
CN107437551B (zh) * | 2016-05-25 | 2020-03-24 | 群创光电股份有限公司 | 显示装置及其制造方法 |
KR102650341B1 (ko) * | 2016-11-25 | 2024-03-22 | 엘지전자 주식회사 | 반도체 발광 소자를 이용한 디스플레이 장치 및 이의 제조방법 |
JP3210219U (ja) * | 2017-02-17 | 2017-05-11 | Its合同会社 | 看板装置 |
JP7037278B2 (ja) * | 2017-03-01 | 2022-03-16 | スタンレー電気株式会社 | 表示デバイス |
JP6982287B2 (ja) * | 2017-03-13 | 2021-12-17 | 株式会社K工房 | 画像表示パネル |
US11476236B2 (en) * | 2018-11-07 | 2022-10-18 | Seoul Viosys Co., Ltd. | Display apparatus |
-
2019
- 2019-11-05 US US16/674,016 patent/US11476236B2/en active Active
- 2019-11-07 KR KR1020217011684A patent/KR20210072007A/ko active Search and Examination
- 2019-11-07 CN CN201921909604.2U patent/CN210743949U/zh active Active
- 2019-11-07 BR BR112021008897-0A patent/BR112021008897A2/pt unknown
- 2019-11-07 JP JP2021521772A patent/JP7447105B2/ja active Active
- 2019-11-07 WO PCT/KR2019/015087 patent/WO2020096383A1/ko unknown
- 2019-11-07 EP EP19881294.3A patent/EP3879574A4/en active Pending
- 2019-11-07 CN CN201980073247.7A patent/CN113016072B/zh active Active
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2022
- 2022-09-29 US US17/956,756 patent/US20230013944A1/en active Pending
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2024
- 2024-02-28 JP JP2024028911A patent/JP2024063107A/ja active Pending
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EP3879574A4 (en) | 2022-08-03 |
CN113016072A (zh) | 2021-06-22 |
BR112021008897A2 (pt) | 2021-08-10 |
KR20210072007A (ko) | 2021-06-16 |
JP2022505505A (ja) | 2022-01-14 |
US20200144233A1 (en) | 2020-05-07 |
CN210743949U (zh) | 2020-06-12 |
US20230013944A1 (en) | 2023-01-19 |
EP3879574A1 (en) | 2021-09-15 |
US11476236B2 (en) | 2022-10-18 |
CN113016072B (zh) | 2024-12-17 |
JP7447105B2 (ja) | 2024-03-11 |
WO2020096383A1 (ko) | 2020-05-14 |
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