JP6917141B2 - レベルシフト回路、ドライバic及び電子機器 - Google Patents
レベルシフト回路、ドライバic及び電子機器 Download PDFInfo
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- JP6917141B2 JP6917141B2 JP2016250210A JP2016250210A JP6917141B2 JP 6917141 B2 JP6917141 B2 JP 6917141B2 JP 2016250210 A JP2016250210 A JP 2016250210A JP 2016250210 A JP2016250210 A JP 2016250210A JP 6917141 B2 JP6917141 B2 JP 6917141B2
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
- H03K3/356—Bistable circuits
- H03K3/356104—Bistable circuits using complementary field-effect transistors
- H03K3/356182—Bistable circuits using complementary field-effect transistors with additional means for controlling the main nodes
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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
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- 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]
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- 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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- 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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- G09G3/3696—Generation of voltages supplied to electrode drivers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01L27/1207—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 combined with devices in contact with the semiconductor body, i.e. bulk/SOI hybrid circuits
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
- H01L27/1214—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1222—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
- H01L27/1225—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer with semiconductor materials not belonging to the group IV of the periodic table, e.g. InGaZnO
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- G09G2300/04—Structural and physical details of display devices
- G09G2300/0404—Matrix technologies
- G09G2300/0408—Integration of the drivers onto the display substrate
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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
- 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
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- G—PHYSICS
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- 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
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- G09G2300/0871—Several active elements per pixel in active matrix panels with level shifting
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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
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- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0267—Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays
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- G—PHYSICS
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- G—PHYSICS
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- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0289—Details of voltage level shifters arranged for use in a driving circuit
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of El Displays (AREA)
- Logic Circuits (AREA)
- Thin Film Transistor (AREA)
Description
本実施の形態では、本発明の一態様に関わるレベルシフト回路について、図1乃至図6を用いて説明する。
本実施の形態では、レベルシフト回路LSを含む表示装置の回路ブロック図について説明する。レベルシフト回路LSには、実施の形態1で説明したレベルシフト回路を用いることができる。図7には、ソースドライバ、ゲートドライバ、表示部の回路ブロック図を示している。
本実施の形態では、上述の実施の形態で説明したレベルシフト回路を含む半導体装置を用いた応用例として、電子部品に適用する例、該電子部品を表示モジュールに適用する例、該表示モジュールの応用例、及び該表示モジュールの電子機器への応用例について、図11乃至図14を用いて説明する。
12 トランジスタ
13 トランジスタ
14 トランジスタ
15 トランジスタ
16 トランジスタ
17 トランジスタ
18 トランジスタ
21 インバータ回路
22 インバータ回路
50 レベルシフト回路
50A レベルシフト回路
50B レベルシフト回路
51 レベルシフト回路
60 バッファ回路
100 ソースドライバ
101 ゲートドライバ
102 表示部
103 画素
103a 画素回路
103b 画素回路
103c 画素回路
104 補正回路
550 トランジスタ
552 トランジスタ
554 トランジスタ
560 容量素子
562 容量素子
570 液晶素子
572 発光素子
664 発光素子
665 トランジスタ
666 トランジスタ
667 トランジスタ
668 容量素子
700 電子部品
701 半導体装置
702 インターポーザ
703 パッケージ
704 エポキシ樹脂
705 ワイヤー
706 バンプ端子
711 表示部
712A ゲートドライバ
712B ゲートドライバ
713 基板
714 ソースドライバ
715 FPC
716 外部回路基板
901 筐体
902 筐体
903a 表示部
903b 表示部
904 選択ボタン
905 キーボード
910 電子書籍端末
911 筐体
912 筐体
913 表示部
914 表示部
915 軸部
916 電源
917 操作キー
918 スピーカー
921 筐体
922 表示部
923 スタンド
924 リモコン操作機
930 本体
931 表示部
932 スピーカー
933 マイク
934 操作ボタン
941 本体
942 表示部
943 操作スイッチ
2100 OSトランジスタ
2200 Siトランジスタ
2201 絶縁体
2202 配線
2203 プラグ
2204 絶縁体
2205 配線
2207 絶縁体
8000 表示モジュール
8001 上部カバー
8002 下部カバー
8003 FPC
8004 タッチパネル
8005 FPC
8006 表示パネル
8007 バックライトユニット
8008 光源
8009 フレーム
8010 プリント基板
8011 バッテリー
Claims (7)
- 第1電圧と第2電圧の振幅電圧を有する第1信号を、第3電圧と前記第2電圧との振幅電圧を有する第2信号に昇圧する機能を有するレベルシフタ回路であって、
前記レベルシフタ回路は、第1トランジスタと、第2トランジスタと、第3トランジスタと、第4トランジスタと、第5トランジスタと、第6トランジスタと、第7トランジスタと、第8トランジスタとを有し、
前記第1トランジスタ、前記第2トランジスタ、前記第5トランジスタおよび前記第6トランジスタは、pチャネル型のトランジスタであり、
前記第4トランジスタおよび前記第8トランジスタは、nチャネル型のトランジスタであり、
前記第1トランジスタのソース又はドレインの一方は、前記第3電圧を伝える配線に電気的に接続され、
前記第1トランジスタのソース又はドレインの他方は、前記第2トランジスタのソースまたはドレインの一方に電気的に接続され、
前記第2トランジスタのソース又はドレインの他方は、前記第3トランジスタのソースまたはドレインの一方に電気的に接続され、
前記第3トランジスタのソース又はドレインの他方は、前記第4トランジスタのソースまたはドレインの一方、および前記第5トランジスタのゲートに電気的に接続され、
前記第4トランジスタのソース又はドレインの他方は、前記第2電圧を伝える配線に電気的に接続され、
前記第5トランジスタのソース又はドレインの一方は、前記第3電圧を伝える配線に電気的に接続され、
前記第5トランジスタのソース又はドレインの他方は、前記第6トランジスタのソースまたはドレインの一方に電気的に接続され、
前記第6トランジスタのソース又はドレインの他方は、前記第7トランジスタのソースまたはドレインの一方に電気的に接続され、
前記第7トランジスタのソース又はドレインの他方は、前記第8トランジスタのソースまたはドレインの一方、および前記第1トランジスタのゲートに電気的に接続され、
前記第8トランジスタのソース又はドレインの他方は、前記第2電圧を伝える配線に電気的に接続され、
前記第2トランジスタのゲートおよび前記第4トランジスタのゲートは、前記第1信号を伝える配線に電気的に接続され、
前記第6トランジスタのゲートおよび前記第8トランジスタのゲートは、前記第1信号の反転信号を伝える配線に電気的に接続され、
前記第3トランジスタのゲートおよび前記第7トランジスタのゲートは、前記第1トランジスタのソースまたはドレインの一方と、前記第2トランジスタのソースまたはドレインの一方と、前記第5トランジスタのソースまたはドレインの一方と、前記第6トランジスタのソースまたはドレインの一方と、に流れる電流量を制限するための前記第2電圧と前記第3電圧の間の定電圧を伝える配線に電気的に接続され、
前記第2信号を伝える配線は、前記第7トランジスタのソース又はドレインの他方、前記第8トランジスタのソースまたはドレインの一方、および前記第1トランジスタのゲートに電気的に接続される、レベルシフト回路。 - 請求項1において、
前記第4トランジスタおよび前記第8トランジスタは、チャネルが形成される半導体層を有し、
前記半導体層は、酸化物半導体を有するレベルシフト回路。 - 請求項1または2において、前記第4トランジスタまたは前記第8トランジスタの少なくとも一方は、バックゲートを有するレベルシフト回路。
- 請求項1乃至3のいずれか一において、
前記第3トランジスタおよび前記第7トランジスタは、pチャネル型のトランジスタである、レベルシフト回路。 - 請求項1乃至3のいずれか一において、
前記第3トランジスタおよび前記第7トランジスタは、nチャネル型のトランジスタであり、チャネルが形成される半導体層を有し、
前記半導体層は、酸化物半導体を有するレベルシフト回路。 - 請求項1乃至5のいずれか一のレベルシフト回路と、シフトレジスタ、データラッチ、パストランジスタロジック、電圧生成回路またはアンプのいずれか一とを有するドライバIC。
- 請求項1乃至5のいずれか一のレベルシフト回路と、表示部とを有する電子機器。
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