JP2012134476A - 発光装置、電子機器、及び照明装置 - Google Patents
発光装置、電子機器、及び照明装置 Download PDFInfo
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- JP2012134476A JP2012134476A JP2011261133A JP2011261133A JP2012134476A JP 2012134476 A JP2012134476 A JP 2012134476A JP 2011261133 A JP2011261133 A JP 2011261133A JP 2011261133 A JP2011261133 A JP 2011261133A JP 2012134476 A JP2012134476 A JP 2012134476A
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/08—Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/12—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
- H01L31/16—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the semiconductor device sensitive to radiation being controlled by the light source or sources
- H01L31/161—Semiconductor device sensitive to radiation without a potential-jump or surface barrier, e.g. photoresistors
- H01L31/162—Semiconductor device sensitive to radiation without a potential-jump or surface barrier, e.g. photoresistors the light source being a semiconductor device with at least one potential-jump barrier or surface barrier, e.g. a light emitting diode
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/547—Monocrystalline silicon PV cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
【解決手段】発光装置の遮光膜を光電変換素子に置き換えることにより、光を電力に変換する。すなわち、従来遮光膜領域では、光が射出されなかったのに対し、開示される発明では、射出されない光を光電変換素子により電力に変換し、再利用することができる。従って、消費電力が少ない発光装置を実現できる。
【選択図】図1
Description
本実施の形態では、本発明の発光装置の一態様である表示装置について、図1(A)乃至(C)を用いて説明する。
図1(A)乃至(C)は発光装置の画素の一部分に相当する図面である。本実施の形態においては、図1(A)乃至(C)に示した画素の一部分も発光装置とすることを付記する。
絶縁表面を有する基板である第1の基板101上に、導電層を形成した後、フォトリソグラフィ工程を行い、レジストマスクを形成し、エッチングにより不要な部分を除去してゲート電極102を形成する。図1(A)のように、ゲート電極102の端部にテーパー形状が形成されるようにエッチングすると、積層する膜の被覆性が向上するため好ましい。
まず、第2の基板151上に導電膜を形成し、フォトリソグラフィ工程、及びエッチング工程を行い、第3の電極152aを形成する。(図2(A)参照)。
本実施の形態においては、本発明の発光装置の一態様である表示装置について、図3を用いて説明を行う。
本実施の形態においては、実施の形態1で示した第1の電極114、有機EL層118、及び第2の電極119からなる発光素子120の詳細について図4(A)、及び図4(B)を用いて説明を行う。
図4(A)に示す発光素子120は、一対の電極(第1の電極114、第2の電極119)間に発光領域を含む有機EL層118が挟まれた構造を有する。なお、以下の本実施の形態の説明においては、例として、第1の電極114を陽極として用い、第2の電極119を陰極として用いるものとする。
本実施の形態では、発光装置の一形態である表示装置(表示パネル、または発光パネルともいう)の外観及び断面について、図5を用いて説明する。図5(A)は、第1の基板上に形成された発光素子駆動用トランジスタ及び発光素子と、第2の基板上に形成された遮光機能を有する光電変換素子、及びカラーフィルタと、をシール材によって封止したパネルの平面図であり、図5(B)は、図5(A)のB1−B2における断面図に相当する。また、図5(C)は、図5(A)のC1−C2における断面図に相当する。
本実施の形態においては、発光装置の概観及び断面について、図6を用いて説明する。図6(A)は、第1の基板上に形成された有機EL層を含む発光素子と、第2の基板に形成された遮光機能を有する光電変換素子、及びカラーフィルタと、を充填材によって封止された発光装置の断面図であり、図6(B)は発光装置の斜視図を示す。なお、図6(A)は、図6(B)のD1−D2線における断面図に相当する。
本実施の形態では、実施の形態1、実施の形態2、または実施の形態4に示す発光装置を含む電子機器について説明する。
本実施の形態では、実施の形態5に示す発光装置について説明する。
102 ゲート電極
104 ゲート絶縁層
106 半導体層
108 ドレイン電極
110 絶縁層
112 絶縁層
114 電極
116 隔壁
118 有機EL層
119 電極
120 発光素子
130 トランジスタ
151 基板
152 光電変換素子
154 カラーフィルタ
160 空間
280 充填材
290 筐体
1000 表示装置
1002 コンバータ
1003 コンバータ
1010 光電変換素子
1020 表示部
1030 電力制御回路
1040 蓄電部
1050 発光制御回路
1201 筐体
1203 照明部
1204 筐体
1206 照明部
118a 電荷発生層
152a 電極
152b p型半導体層
152c i型半導体層
152d n型半導体層
152e 電極
4501 基板
4502 画素部
4503a 信号線駆動回路
4503b 信号線駆動回路
4504a 走査線駆動回路
4504b 走査線駆動回路
4505 シール材
4506 基板
4507 充填材
4509 トランジスタ
4510 トランジスタ
4511 発光素子
4512 有機EL層
4513 電極
4514 電極
4515a 電極
4515b 電極
4516 端子電極
4516a 端子電極
4516b 端子電極
4517 接続端子電極
4517a 接続端子電極
4517b 接続端子電極
4518 FPC
4519 異方性導電膜
4520 隔壁
4521 光電変換素子
4521a 電極
4521b 電極
4522 カラーフィルタ
4523 接続端子部
4523a 接続端子部
4523b 接続端子部
4530a 導電層
4530b 導電層
9101 筐体
9102 支持台
9103 表示部
9104 スピーカー部
9105 ビデオ入力端子
9201 本体
9202 筐体
9203 表示部
9204 キーボード
9205 外部接続ポート
9206 ポインティングデバイス
9401 本体
9402 筐体
9403 表示部
9404 音声入力部
9405 音声出力部
9406 操作キー
9407 外部接続ポート
9408 アンテナ
9501 本体
9502 表示部
9503 筐体
9504 外部接続ポート
9505 リモコン受信部
9506 受像部
9507 バッテリー
9508 音声入力部
9509 操作キー
9510 接眼部
Claims (7)
- 第1の電極と、第2の電極と、前記第1の電極と前記第2の電極に挟持された有機エレクトロルミネッセンス層からなる発光素子が設けられた第1の基板と、
前記発光素子と対向して設けられ、該発光素子の放射光のうち特定波長帯域の光に対して透過性を示す有色層と、
前記発光素子の放射光を遮光するように前記有色層の周辺部を囲んで設けられた光電変換素子と、が設けられた第2の基板と、を有し、
前記発光素子の放射光が前記第2の基板側から射出されることを特徴とする発光装置。 - 第1の電極と、第2の電極と、前記第1の電極と前記第2の電極に挟持された有機エレクトロルミネッセンス層からなる発光素子が設けられた第1の基板と、
前記発光素子と対向して設けられ、該発光素子の放射光のうち特定波長帯域の光に対して透過性を示す有色層と、
前記発光素子の放射光を遮光するように前記有色層の周辺部を囲んで設けられた光電変換素子と、が設けられた第2の基板と、
前記発光素子に電力を供給する発光制御回路と、
前記光電変換素子の起電力を充電する蓄電部と、を有し、
前記発光素子の放射光が前記第2の基板側から射出されることを特徴とする発光装置。 - 請求項1または請求項2において、
前記第1の電極は、アルミニウム、アルミニウムを含む合金、銀の中から選ばれる材料であることを特徴とする発光装置。 - 請求項1乃至請求項3のいずれか一項において、
前記光電変換素子は、pin接合を有したアモルファスシリコンであることを特徴とする発光装置。 - 請求項1乃至請求項4のいずれか一項において、
前記光電変換素子は、pin接合を有した単結晶半導体であることを特徴とする発光装置。 - 請求項1乃至請求項5のいずれか一項に記載の発光装置を用いた電子機器。
- 請求項1乃至請求項5のいずれか一項に記載の発光装置を用いた照明装置。
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Also Published As
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US8629472B2 (en) | 2014-01-14 |
US9347628B2 (en) | 2016-05-24 |
JP6669814B2 (ja) | 2020-03-18 |
JP2020095968A (ja) | 2020-06-18 |
JP2017017361A (ja) | 2017-01-19 |
US20140126188A1 (en) | 2014-05-08 |
JP2018166112A (ja) | 2018-10-25 |
US20120146025A1 (en) | 2012-06-14 |
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