JP7036552B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP7036552B2 JP7036552B2 JP2017159897A JP2017159897A JP7036552B2 JP 7036552 B2 JP7036552 B2 JP 7036552B2 JP 2017159897 A JP2017159897 A JP 2017159897A JP 2017159897 A JP2017159897 A JP 2017159897A JP 7036552 B2 JP7036552 B2 JP 7036552B2
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Images
Classifications
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- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
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- G08C19/36—Electric signal transmission systems using optical means to covert the input signal
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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
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- 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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- G09G3/36—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 by control of light from an independent source using liquid crystals
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/08—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
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- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
本実施の形態では、本発明の一態様に係る駆動回路及び表示装置について説明する。
図1に、表示装置10の構成例を示す。表示装置10は、画素部20、駆動回路40、駆動回路50を有する。また、画素部20は複数の画素31を有する。
次に、駆動回路の具体的な構成例について説明する。図2に、駆動回路50の構成例を示す。
図3に、駆動回路50が有するアンプ180の具体的な構成例を示す。ここでは、ラインL[x-2]乃至[x](xは3以上m以下の整数)に属するアンプ180(180[x-2]乃至[x])を示しているが、他のアンプ180も同様の構成とすることができる。
次に、誤差電位の算出及び映像信号の補正を行う際の、アンプ180の具体的な動作例について説明する。ここでは一例として、3つのアンプ180[x-2]乃至[x]の出力を検査することにより、データDos[x-2]乃至[x]を算出する場合について説明する。
図4は、アンプ180[x-2]の出力を、アンプ180[x-1]を用いて検査する際の動作例を示す。アンプ180[x-2]の出力の検査する際、アンプ180[x-2]のスイッチSW1はオン状態、スイッチSW2、SW3はオフ状態であり、アンプ180[x-1]のスイッチSW2はオン状態、スイッチSW1、SW3はオフ状態であり、アンプ180[x]のスイッチSW1、SW3はオン状態、スイッチSW2はオフ状態である。
図5は、アンプ180[x-1]の出力を、アンプ180[x]を用いて検査する際の動作例を示す。アンプ180[x-1]の出力の検査する際、アンプ180[x-1]のスイッチSW1はオン状態、スイッチSW2、SW3はオフ状態であり、アンプ180[x]のスイッチSW2はオン状態、スイッチSW1、SW3はオフ状態であり、アンプ180[x-2]のスイッチSW1、SW3はオン状態、スイッチSW2はオフ状態である。
図6は、アンプ180[x]の出力を、アンプ180[x-2]を用いて検査する際の動作例を示す。アンプ180[x]の出力の検査する際、アンプ180[x]のスイッチSW1はオン状態、スイッチSW2、SW3はオフ状態であり、アンプ180[x-2]のスイッチSW2はオン状態、スイッチSW1、SW3はオフ状態であり、アンプ180[x-1]のスイッチSW1、SW3はオン状態、スイッチSW2はオフ状態である。
図7は、演算回路56によってオフセット誤差が算出され、誤差電位に基づいて映像信号が補正される際の動作例を示す。
次に、ラッチ回路120の構成例について説明する。ラッチ回路120は、データSDから誤差電位を差し引く機能を有する。図8(A)に、ラッチ回路120の構成例を示す。
次に、DA変換回路54の構成例について説明する。DA変換回路54は、選択回路160、電位生成回路170を有する。
図9に選択回路160の構成例を示す。選択回路160は、レベルシフタ150から入力された制御信号に基づいて、データSDに対応する電位を出力する機能を有する回路である。ここでは一例として、レベルシフタ150から信号P[0]乃至[6]とその反転信号PB[0]乃至[6]、及び信号PB[7]が制御信号として入力され、電位生成回路170から256種類の参照電位Vref(Vref[0]乃至[255])が入力される場合について説明する。ただし、レベルシフタ150から入力される制御信号の数、及び電位生成回路170から入力される電位の数は、画素が表示する階調の数に応じて適宜設定することができる。なお、電位生成回路170から入力される電位は、Vref[0]が最も低く、Vref[0]からVref[255]まで順に高くなる電位であるとする。
図10に、電位生成回路170の構成例を示す。電位生成回路170は、参照電位VRを用いて、選択回路160に供給される参照電位Vrefを生成する機能を有する回路である。ここでは、参照電位VR[0]乃至[8]から参照電位Vref[0]乃至[255]が生成される例を示しているが、参照電位VRの数は生成する参照電位Vrefの数に応じて適宜設定される。
本実施の形態では、上記実施の形態で説明した画素の構成例について説明する。
図11(A)に、発光素子を用いた画素の構成例を示す。図11(A)に示す画素31は、トランジスタTr11乃至Tr13、発光素子210、容量素子C1を有する。なお、ここでは、トランジスタTr11乃至Tr13をnチャネル型としているが、Tr11乃至Tr13はそれぞれpチャネル型であってもよい。
図11(B)に、液晶素子を用いた画素の構成例を示す。図11(B)に示す画素31は、トランジスタTr21、液晶素子220、容量素子C2を有する。なお、ここでは、トランジスタTr21をnチャネル型としているが、pチャネル型であってもよい。
次に、図11に示した画素31の変形例について説明する。図12、図13に発光素子を用いた画素31の変形例、図14に液晶素子を用いた画素31の変形例を示す。
本実施の形態では、複数の画素群を有する表示装置の構成例について説明する。
図15(A)に、表示装置10の変形例を示す。図15(A)に示す表示装置10は、複数の駆動回路40、複数の駆動回路50を有する。また、画素部20は複数の画素群30を有する。以下では一例として、表示装置10が2つの画素群30(30a、30b)、2つの駆動回路40(40a、40b)、2つの駆動回路50(50a、50b)を有する構成について説明するが、これらの数は3以上であってもよい。
次に、図15、図16に示す表示装置10において、映像信号の補正を行う際の動作例について説明する。図17に、駆動回路50a、50bの動作例を示す。
本実施の形態では、本発明の一態様に係る表示装置の具体的な構成例について説明する。
図18乃至図21を用いて、本実施の形態の表示装置の構成例について説明する。
図18は、表示装置600の斜視概略図である。表示装置600は、基板651と基板661とが貼り合わされた構成を有する。図18では、基板661を破線で明示している。
図20に示す表示装置600Aは、トランジスタ501、トランジスタ503、トランジスタ505、及びトランジスタ506を有さず、トランジスタ581、トランジスタ584、トランジスタ585、及びトランジスタ586を有する点で、主に表示装置600と異なる。
図21に、表示装置600Bの表示部の断面図を示す。
次に、表示装置が有する画素の具体的な構成例について、図22乃至図24を用いて説明する。
本実施の形態では、上記実施の形態で説明した表示装置を用いた表示モジュールの構成例について説明する。
本実施の形態では、上記実施の形態において用いることができるOSトランジスタの構成例について説明する。
図26(A)は、トランジスタの構成例を示す上面図である。図26(B)は、図26(A)のX1-X2線断面図であり、図26(C)はY1-Y2線断面図である。ここでは、X1-X2線の方向をチャネル長方向と、Y1-Y2線方向をチャネル幅方向と呼称する場合がある。図26(B)は、トランジスタのチャネル長方向の断面構造を示す図であり、図26(C)は、トランジスタのチャネル幅方向の断面構造を示す図である。なお、デバイス構造を明確にするため、図26(A)では、一部の構成要素が省略されている。
次に、上記のOSトランジスタに用いることができる、金属酸化物について説明する。以下では特に、金属酸化物とCAC(Cloud-Aligned Composite)の詳細について説明する。
本実施の形態では、上記実施の形態で説明した駆動回路又は表示装置を用いた表示システムの構成例について説明する。
本実施の形態では、上記実施の形態で説明した表示装置又は表示システムを搭載した電子機器の構成例について説明する。図29に、電子機器の一例として、タブレット型の情報端末の構成例を示す。
20 画素部
21 画素ユニット
30 画素群
31 画素
40 駆動回路
50 駆動回路
51 シフトレジスタ
52 デコーダ回路
53 レベルシフタ回路
54 DA変換回路
55 増幅回路
56 演算回路
60 液晶素子
61 反射電極
62 液晶層
63 透明電極
64 光
65 開口部
70 発光素子
71 光
80 回路
110 レジスタ
120 ラッチ回路
121 減算回路
122 加算器
123 インバータ
130 デコーダ
140 ラッチ回路
150 レベルシフタ
160 選択回路
161 回路
170 電位生成回路
180 アンプ
210 発光素子
220 液晶素子
412 液晶層
413 電極
417 絶縁層
421 絶縁層
431 着色層
432 遮光層
433 配向膜
434 着色層
435 偏光板
441 接着層
442 接着層
451 開口
470 発光素子
480 液晶素子
491 電極
492 EL層
493 電極
494 絶縁層
501 トランジスタ
503 トランジスタ
504 接続部
505 トランジスタ
506 トランジスタ
507 接続部
511 絶縁層
512 絶縁層
513 絶縁層
514 絶縁層
516 絶縁層
517 絶縁層
518 絶縁層
520 絶縁層
521 導電層
523 導電層
531 半導体層
540 トランジスタ
542 接続層
543 接続体
552 接続部
561 半導体層
563 導電層
580 トランジスタ
581 トランジスタ
584 トランジスタ
585 トランジスタ
586 トランジスタ
600 表示装置
600A 表示装置
600B 表示装置
611 電極
640 液晶素子
651 基板
660 発光素子
661 基板
662 表示部
664 回路
665 配線
672 FPC
673 IC
801 トランジスタ
811 絶縁層
812 絶縁層
813 絶縁層
814 絶縁層
815 絶縁層
816 絶縁層
817 絶縁層
818 絶縁層
819 絶縁層
820 絶縁層
821 金属酸化物膜
822 金属酸化物膜
823 金属酸化物膜
824 金属酸化物膜
830 酸化物層
850 導電層
851 導電層
852 導電層
853 導電層
900 表示システム
910 表示部
911 表示ユニット
912 タッチセンサユニット
920 制御部
921 インターフェース
922 フレームメモリ
923 デコーダ
924 センサコントローラ
925 コントローラ
926 クロック生成回路
930 画像処理部
931 ガンマ補正回路
932 調光回路
933 調色回路
934 EL補正回路
935 補正回路
941 記憶装置
942 タイミングコントローラ
943 レジスタ
950 駆動回路
951 駆動回路
961 タッチセンサコントローラ
962 演算回路
970 ホスト
980 光センサ
981 外光
1000 表示モジュール
1001 上部カバー
1002 下部カバー
1003 FPC
1004 タッチパネル
1005 FPC
1006 表示装置
1009 フレーム
1010 プリント基板
1011 バッテリ
1160 集積回路
1161 プロセッサ
1170 情報端末
1171 筐体
1172 表示部
1173 操作キー
1174 スピーカ
1180 表示システム
2000 携帯情報端末
2001 筐体
2002 筐体
2003 表示部
2004 表示部
2005 ヒンジ部
2010 携帯情報端末
2011 筐体
2012 表示部
2013 操作ボタン
2014 外部接続ポート
2015 スピーカ
2016 マイク
2017 カメラ
2020 カメラ
2021 筐体
2022 表示部
2023 操作ボタン
2024 シャッターボタン
2026 レンズ
Claims (1)
- デコーダ回路と、増幅回路と、演算回路と、を有し、
前記増幅回路は、第1のアンプと、第2のアンプと、を有し、
前記第1のアンプ又は前記第2のアンプの一方は、前記第1のアンプ又は前記第2のアンプの他方の出力を検査する機能を有し、
前記デコーダ回路及び前記演算回路には、映像信号が入力され、
前記映像信号は、デジタルデータであり、
前記演算回路は、前記デジタルデータを格納する機能と、格納された前記デジタルデータと前記検査の結果とに基づいて、前記第1のアンプ又は前記第2のアンプから出力される電位の誤差を算出する機能を有し、
前記デコーダ回路は、前記デコーダ回路に入力された前記映像信号から前記電位の誤差を差し引くことにより、前記映像信号の補正を行う機能を有する半導体装置。
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US11133359B2 (en) * | 2016-09-27 | 2021-09-28 | Inuru Gmbh | Integrated layered electronic display sheets for placement on product packaging and in printed media |
WO2021024083A1 (ja) * | 2019-08-08 | 2021-02-11 | 株式会社半導体エネルギー研究所 | 半導体装置 |
US20210111352A1 (en) | 2019-10-11 | 2021-04-15 | Semiconductor Energy Laboratory Co., Ltd. | Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device |
US20230108213A1 (en) * | 2021-10-05 | 2023-04-06 | Softiron Limited | Ceph Failure and Verification |
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