JP2012215885A - 電子装置 - Google Patents
電子装置 Download PDFInfo
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- JP2012215885A JP2012215885A JP2012121654A JP2012121654A JP2012215885A JP 2012215885 A JP2012215885 A JP 2012215885A JP 2012121654 A JP2012121654 A JP 2012121654A JP 2012121654 A JP2012121654 A JP 2012121654A JP 2012215885 A JP2012215885 A JP 2012215885A
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Images
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1203—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI
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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
- H10K59/10—OLED displays
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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Abstract
【解決手段】 単結晶半導体基板11上にスイッチング用FET201及び電流制御用FET202を形成し、電流制御用FET202にEL素子203が電気的に接続された画素構造とする。電流制御用FET202は画素間での特性ばらつきが極めて小さく、色再現性の高い画像を得ることができる。電流制御用FET202にホットキャリア対策を施すことで信頼性の高い電子装置が得られる。
【選択図】 図1
Description
特に、EL(Electro Luminescence)が得られる発光性材料(以下、EL材料という)を用いた電子装置に関する。
なお、ゲート電極35はシングルゲート構造となっているが、マルチゲート構造であっても良い。
などのポリマー系有機材料を用いる。勿論、無機材料を用いても良い。膜厚は3〜20nm(好ましくは5〜15nm)で良い。
を質量分離しないでプラズマ励起したプラズマドーピング法を用い、リンを1×1018atoms/cm3の濃度で添加する。勿論、質量分離を行うイオンインプランテーション法を用いても良い。
またこのとき、添加したn型不純物元素の活性化も同時に行なわれる。熱酸化膜は30〜80nm(好ましくは40〜60nm)の膜厚となるように酸化時間及び酸化温度を調節すれば良い。
具体的には、1×1016〜5×1018atoms/cm3(典型的には3×1017〜3×1018atoms/cm3)の濃度が好ましい。
好ましくは1〜5μm(さらに好ましくは2〜4μm)とすれば良い。
、D/Aコンバータなどが含まれる。
に示す。なお、図8(A)、(B)では同一の部位に同一の符号を用いている。
また、カバー材66はアクティブマトリクス基板61と同じ面積の透明基板(または透明フィルム)を用いれば良い。従って、図11(B)の状態では、全てのアクティブマトリクス部に共通のカバー材として用いられる。
であり、本体2301、記録媒体(DVD等)2302、操作スイッチ2303、表示部(a)2304、表示部(b)2305等を含む。表示部(a)は主として画像情報を表示し、表示部(b)は主として文字情報を表示するが、本発明のEL表示装置はこれら表示部(a)、(b)に用いることができる。なお、記録媒体を備えた画像再生装置には家庭用ゲーム機器なども含まれる。
Claims (6)
- 基板上に設けられた画素部と、
前記基板上に前記画素部を取り囲むように設けられた第1のシール材と、
前記第1のシール材によって前記基板上に固着されたカバー材と、
前記第1のシール材の外側において、前記基板の側面と前記カバー材の側面に接する第2のシール材と、を有し、
前記画素部は、発光素子と、前記発光素子に流れる電流量を制御する機能を有するFETと、を含み、
前記FETは、チャネルが形成される半導体と、ゲート電極と、前記半導体と前記ゲート電極の間の絶縁層と、を有し、
前記基板上において、前記ゲート電極上に第1の絶縁層を有し、
前記第1の絶縁層上に、第1の導電層と、第2の導電層と、を有し、
前記第1の絶縁層に設けられたコンタクトホールを介して、前記第2の導電層は前記FETのソースまたはドレインと電気的に接続され、
前記第2の導電層上に、第2の絶縁層を有し、
前記第2の絶縁層上に、前記発光素子を有し、
前記第2の絶縁層に設けられたコンタクトホールを介して、前記発光素子は前記第2の導電層と電気的に接続され、
前記第2の絶縁層は、有機樹脂を含み、
前記第1のシール材と、前記基板との間には、前記第2の絶縁層が設けられておらず、
前記第1の導電層は前記第1のシール材と接し、
外部入力端子は、前記第1の導電層を介して、前記画素部と電気的に接続されることを特徴とする電子装置。 - 基板上に設けられた画素部と、
前記基板上に前記画素部を取り囲むように設けられた第1のシール材と、
前記基板上に、前記第1のシール材を取り囲むように設けられた第2のシール材と、
前記第1のシール材及び前記第2のシール材によって前記基板に固着されたカバー材と、を有し、
前記第2のシール材は、前記基板の側面と前記カバー材の側面とに接し、
前記画素部は、発光素子と、前記発光素子に流れる電流量を制御する機能を有するFETと、を含み、
前記FETは、チャネルが形成される半導体と、ゲート電極と、前記半導体と前記ゲート電極の間の絶縁層と、を有し、
前記基板上において、前記ゲート電極上に第1の絶縁層を有し、
前記第1の絶縁層上に、第1の導電層と、第2の導電層と、を有し、
前記第1の絶縁層に設けられたコンタクトホールを介して、前記第2の導電層は前記FETのソースまたはドレインと電気的に接続され、
前記第2の導電層上に、第2の絶縁層を有し、
前記第2の絶縁層上に、前記発光素子を有し、
前記第2の絶縁層に設けられたコンタクトホールを介して、前記発光素子は前記第2の導電層と電気的に接続され、
前記第2の絶縁層は、有機樹脂を含み、
前記第1のシール材と、前記基板との間には、前記第2の絶縁層が設けられておらず、
前記第1の導電層は前記第1のシール材と接し、
外部入力端子は、前記第1の導電層を介して、前記画素部と電気的に接続されることを特徴とする電子装置。 - 請求項1又は請求項2において、
前記第1のシール材は、棒状のスペーサを有することを特徴とする電子装置。 - 請求項1乃至請求項3のいずれか一において、
前記第1のシール材は、乾燥剤を有することを特徴とする電子装置。 - 請求項1乃至請求項4のいずれか一において、
前記基板、前記第1のシール材、及び前記カバー材によって形成される空間に、充填材が充填されていることを特徴とする電子装置。 - 請求項1乃至請求項4のいずれか一において、
前記基板、前記第1のシール材、及び前記カバー材によって形成される空間に、不活性ガスが封入されていることを特徴とする電子装置。
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