JP7430980B2 - 表示装置および電子機器 - Google Patents
表示装置および電子機器 Download PDFInfo
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- JP7430980B2 JP7430980B2 JP2018172011A JP2018172011A JP7430980B2 JP 7430980 B2 JP7430980 B2 JP 7430980B2 JP 2018172011 A JP2018172011 A JP 2018172011A JP 2018172011 A JP2018172011 A JP 2018172011A JP 7430980 B2 JP7430980 B2 JP 7430980B2
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- transistor
- wiring
- potential
- electrode
- circuit
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- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
- G02F1/13685—Top gates
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- 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
- G06F1/1652—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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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
- G09G2300/0852—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor being a dynamic memory with more than one capacitor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
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- G09G2330/021—Power management, e.g. power saving
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- G—PHYSICS
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- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
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- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
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Description
本実施の形態では、本発明の一態様である表示装置について、図面を参照して説明する。
本実施の形態では、液晶素子を用いた表示装置の構成例について説明する。なお、本実施の形態においては、実施の形態1で説明した補正に関する動作および機能の説明は省略する。
本実施の形態では、上記実施の形態に示した各トランジスタに置き換えて用いることのできるトランジスタの一例について、図面を用いて説明する。
図16(A1)は、ボトムゲート型のトランジスタの一種であるチャネル保護型のトランジスタ810の断面図である。図16(A1)において、トランジスタ810は基板771上に形成されている。また、トランジスタ810は、基板771上に絶縁層772を介して電極746を有する。また、電極746上に絶縁層726を介して半導体層742を有する。電極746はゲート電極として機能できる。絶縁層726はゲート絶縁層として機能できる。
図17(A1)に例示するトランジスタ842は、トップゲート型のトランジスタの1つである。電極744aおよび電極744bは、絶縁層728および絶縁層729に形成した開口部において半導体層742と電気的に接続する。
本実施の形態では、上記実施の形態で例示したロードライバ12、カラムドライバ13、17、回路14、15などに適用可能な半導体装置について説明する。以下で例示する半導体装置は、記憶装置として機能することができる。
本実施の形態では、実施の形態1で説明した回路14などに用いることのできるニューラルネットワークとして機能する半導体装置の構成例について説明する。
図20に、ニューラルネットワークの演算を行う機能を有する半導体装置MACの構成例を示す。半導体装置MACは、ニューロン間の結合強度(重み)に対応する第1のデータと、入力データに対応する第2のデータの積和演算を行う機能を有する。なお、第1のデータおよび第2のデータはそれぞれ、アナログデータまたは多値のデータ(離散的なデータ)とすることができる。また、半導体装置MACは、積和演算によって得られたデータを活性化関数によって変換する機能を有する。
上記の半導体装置MACを用いて、第1のデータと第2のデータの積和演算を行うことができる。以下、積和演算を行う際の半導体装置MACの動作例を説明する。
まず、時刻T01-T02において、配線WL[1]の電位がハイレベルとなり、配線WD[1]の電位が接地電位(GND)よりもVPR-VW[1,1]大きい電位となり、配線WDrefの電位が接地電位よりもVPR大きい電位となる。また、配線RW[1]、および配線RW[2]の電位が基準電位(REFP)となる。なお、電位VW[1,1]はメモリセルMC[1,1]に格納される第1のデータに対応する電位である。また、電位VPRは参照データに対応する電位である。これにより、メモリセルMC[1,1]およびメモリセルMCref[1]が有するトランジスタTr11がオン状態となり、ノードNM[1,1]の電位がVPR-VW[1,1]、ノードNMref[1]の電位がVPRとなる。
次に、時刻T05-T06において、配線RW[1]の電位が基準電位よりもVX[1]大きい電位となる。このとき、メモリセルMC[1,1]、およびメモリセルMCref[1]のそれぞれの容量素子C11には電位VX[1]が供給され、容量結合によりトランジスタTr12のゲートの電位が上昇する。なお、電位VX[1]はメモリセルMC[1,1]およびメモリセルMCref[1]に供給される第2のデータに対応する電位である。
本発明の一態様に係る表示装置を用いることができる電子機器として、表示機器、パーソナルコンピュータ、記録媒体を備えた画像記憶装置または画像再生装置、携帯電話、携帯型を含むゲーム機、携帯データ端末、電子書籍端末、ビデオカメラ、デジタルスチルカメラ等のカメラ、ゴーグル型ディスプレイ(ヘッドマウントディスプレイ)、ナビゲーションシステム、音響再生装置(カーオーディオ、デジタルオーディオプレイヤー等)、複写機、ファクシミリ、プリンタ、プリンタ複合機、現金自動預け入れ払い機(ATM)、自動販売機などが挙げられる。これら電子機器の具体例を図24に示す。
11a 画素
11b 画素
11c 画素
11d 画素
11e 画素
12 ロードライバ
13 カラムドライバ
14 回路
15 回路
17 カラムドライバ
101 トランジスタ
102 トランジスタ
103 トランジスタ
104 容量素子
105 容量素子
106 液晶素子
107 トランジスタ
112 トランジスタ
121 配線
122 配線
124 配線
125 配線
126 配線
130 配線
131 電源線
132 共通配線
133 共通配線
141 スイッチ
142 スイッチ
143 スイッチ
144 スイッチ
215 表示部
221a 走査線駆動回路
231a 信号線駆動回路
232a 信号線駆動回路
241a 共通線駆動回路
723 電極
726 絶縁層
728 絶縁層
729 絶縁層
741 絶縁層
742 半導体層
744a 電極
744b 電極
746 電極
755 不純物
771 基板
772 絶縁層
810 トランジスタ
811 トランジスタ
820 トランジスタ
821 トランジスタ
825 トランジスタ
826 トランジスタ
842 トランジスタ
843 トランジスタ
844 トランジスタ
845 トランジスタ
846 トランジスタ
847 トランジスタ
901 筐体
902 表示部
903 表示部
904 センサ
911 筐体
912 表示部
913 スピーカ
919 カメラ
921 柱
922 表示部
951 筐体
952 表示部
953 操作ボタン
954 外部接続ポート
955 スピーカ
956 マイク
957 カメラ
961 筐体
962 シャッターボタン
963 マイク
965 表示部
966 操作キー
967 スピーカ
968 ズームレバー
969 レンズ
971 筐体
973 表示部
974 操作キー
975 スピーカ
976 通信用接続端子
977 光センサ
1000 DOSRAM
1001 メモリセル
1002 センスアンプ部
1003 セルアレイ部
4001 基板
4005 シール材
4006 基板
4008 液晶層
4010 トランジスタ
4011 トランジスタ
4013 液晶素子
4014 配線
4015 電極
4017 電極
4018 FPC
4019 異方性導電層
4020 容量素子
4021 電極
4030 電極層
4031 電極層
4032 絶縁層
4033 絶縁層
4035 スペーサ
4041 プリント基板
4042 集積回路
4102 絶縁層
4103 絶縁層
4104 絶縁層
4110 絶縁層
4111 絶縁層
4112 絶縁層
4131 着色層
4132 遮光層
4133 絶縁層
4200 入力装置
4210 タッチパネル
4227 電極
4228 電極
4237 配線
4238 配線
4239 配線
4263 基板
4272b FPC
4273b IC
Claims (6)
- 第1乃至第3のトランジスタ、第1の容量素子、第2の容量素子、及び表示素子を有する画素を備え、
前記第1のトランジスタのソース及びドレインの一方は、前記第1の容量素子の一方の電極と電気的に接続され、
前記第1の容量素子の他方の電極は、前記第2のトランジスタのソース及びドレインの一方と、前記第3のトランジスタのソース及びドレインの一方とに電気的に接続され、
前記第3のトランジスタのソース及びドレインの他方は、前記第2の容量素子の一方の電極と、前記表示素子とに電気的に接続され、
前記第1のトランジスタのソース及びドレインの他方は、画像データを供給する機能を有する第1の配線と電気的に接続され、
前記第2のトランジスタのソース及びドレインの他方は、前記画像データに付加される補正データを供給する機能を有する第2の配線と電気的に接続されている、表示装置。 - 第1乃至第3のトランジスタ、第1の容量素子、第2の容量素子、及び表示素子を有する画素を備え、
前記第1のトランジスタのソース及びドレインの一方は、前記第1の容量素子の一方の電極と電気的に接続され、
前記第1の容量素子の他方の電極は、前記第2のトランジスタのソース及びドレインの一方と、前記第3のトランジスタのソース及びドレインの一方とに電気的に接続され、
前記第3のトランジスタのソース及びドレインの他方は、前記第2の容量素子の一方の電極と、前記表示素子とに電気的に接続され、
前記第3のトランジスタは、前記第1の容量素子の他方の電極と前記第2の容量素子の一方の電極との間に位置し、
前記第1のトランジスタのソース及びドレインの他方は、画像データを供給する機能を有する第1の配線と電気的に接続され、
前記第2のトランジスタのソース及びドレインの他方は、前記画像データに付加される補正データを供給する機能を有する第2の配線と電気的に接続されている、表示装置。 - 請求項1又は2において、
前記第2のトランジスタは、チャネル形成領域に金属酸化物を有し、
前記金属酸化物は、Inと、Znと、M(MはAl、Ti、Ga、Sn、Y、Zr、La、Ce、NdまたはHf)と、を有する、表示装置。 - 請求項1乃至3のいずれか一項において、
第4のトランジスタを有し、
前記第4のトランジスタのソース及びドレインの一方は、前記表示素子と電気的に接続され、
前記第4のトランジスタのソース及びドレインの他方は、定電位を供給する第3の配線と電気的に接続されている、表示装置。 - 請求項1乃至4のいずれか一項において、
前記表示素子は、液晶素子である、表示装置。 - 請求項1乃至5のいずれか一項に記載の表示装置と、カメラと、を有する、電子機器。
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US10957720B2 (en) | 2017-11-09 | 2021-03-23 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device, display device, and electronic device |
WO2019111137A1 (ja) | 2017-12-06 | 2019-06-13 | 株式会社半導体エネルギー研究所 | 半導体装置、表示装置、電子機器、及び動作方法 |
CN111433838A (zh) | 2017-12-21 | 2020-07-17 | 株式会社半导体能源研究所 | 显示装置及电子设备 |
WO2019123089A1 (ja) | 2017-12-22 | 2019-06-27 | 株式会社半導体エネルギー研究所 | 表示装置、半導体装置、及び電子機器 |
CN111448608A (zh) | 2017-12-22 | 2020-07-24 | 株式会社半导体能源研究所 | 显示装置及电子设备 |
WO2019135147A1 (ja) | 2018-01-05 | 2019-07-11 | 株式会社半導体エネルギー研究所 | 表示装置、表示モジュール、及び電子機器 |
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CN112655040A (zh) | 2018-09-12 | 2021-04-13 | 株式会社半导体能源研究所 | 显示装置的工作方法 |
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WO2019053549A1 (en) | 2019-03-21 |
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US20220230600A1 (en) | 2022-07-21 |
TWI810206B (zh) | 2023-08-01 |
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KR20230170155A (ko) | 2023-12-18 |
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