JP2020076865A - 表示装置および撮像装置 - Google Patents
表示装置および撮像装置 Download PDFInfo
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- JP2020076865A JP2020076865A JP2018209931A JP2018209931A JP2020076865A JP 2020076865 A JP2020076865 A JP 2020076865A JP 2018209931 A JP2018209931 A JP 2018209931A JP 2018209931 A JP2018209931 A JP 2018209931A JP 2020076865 A JP2020076865 A JP 2020076865A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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
- G09G3/2085—Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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
- G09G3/34—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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
- G09G3/3666—Control of matrices with row and column drivers using an active matrix with the matrix divided into sections
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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
- G09G3/34—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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
-
- 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
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
-
- 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
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0294—Details of sampling or holding circuits arranged for use in a driver for data electrodes
-
- 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
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0297—Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns
-
- 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
Abstract
Description
Claims (10)
- 複数の行および複数の列を構成するように配置された複数の画素と、
前記複数の行における行を選択する行選択回路と、
前記複数の画素のち前記行選択回路によって選択された行の画素に信号を供給する信号供給回路と、を備え、
前記信号供給回路は、N個のブロックと、N個の前記ブロックにデータを供給するデータ供給回路とを含み、
N個の前記ブロックの各々は、前記複数の列のうちk個の列に信号を供給するためのk個のデータ保持部を有する保持ブロックと、k個の前記データ保持部を順に選択して前記データ供給回路からのデータを取り込ませる走査回路ブロックとを含み、前記走査回路ブロックは、直列接続されたk個のレジスタで構成されるk段のシフトレジスタを含み、
N個の前記ブロックにそれぞれ設けられたN個の前記走査回路ブロックが直列接続されて走査回路が構成され、前記走査回路は、N個の前記ブロックにそれぞれ設けられたN個の前記保持ブロックを順に選択しつつ選択された各保持ブロックのk個の前記データ保持部を順に選択してデータを取り込ませ、
前記データ供給回路は、N個の前記ブロックのうち前記走査回路による走査方向における先頭からn番目のブロックにおけるi段目のレジスタの出力に応じて、N個の前記ブロックのうち前記先頭から(n+1)番目のブロックを動作可能状態にし、ここで、i<kである、
ことを特徴とする表示装置。 - 前記データ供給回路は、n番目のブロックにおけるj段目のレジスタの出力に応じて、前記N個のブロックのうち前記先頭から(n−1)番目のブロックを動作抑制状態にし、ここで、j<kである、
ことを特徴とする請求項1に記載の表示装置。 - 前記データ供給回路は、n番目のブロックにおけるi段目のレジスタの出力に応じて、(n+1)番目のブロックに対するデータの供給を開始する、
ことを特徴とする請求項1に記載の表示装置。 - 前記データ供給回路は、n番目のブロックにおけるj段目のレジスタの出力に応じて、前記N個のブロックのうち前記先頭から(n−1)番目のブロックに対するデータの供給を終了し、ここで、j<kである、
ことを特徴とする請求項3に記載の表示装置。 - 前記データ供給回路は、n番目のブロックにおけるi段目のレジスタの出力に応じて、(n+1)番目のブロックに対して、前記走査回路を動作させるためのクロック信号の供給を開始する、
ことを特徴とする請求項3に記載の表示装置。 - 前記データ供給回路は、n番目のブロックにおけるj段目のレジスタの出力に応じて、(n−1)番目のブロックに対する前記クロック信号の供給を終了し、ここで、j<kである、
ことを特徴とする請求項5に記載の表示装置。 - 前記データ供給回路は、N個の前記ブロックにそれぞれ対応するN個の駆動回路を含み、N個の前記駆動回路の各々は、イネーブル状態において入力データに応じたデータを出力し、ディスエーブル状態において固定値を出力するマスク回路を含み、
n番目のブロックに対応するn番目の駆動回路は、(n−1)番目のブロックにおけるi段目のレジスタの出力に応じて自己の前記マスク回路を前記ディスエーブル状態から前記イネーブル状態にし、(n+1)番目のブロックにおけるj段目のレジスタの出力に応じて自己の前記マスク回路を前記イネーブル状態から前記ディスエーブル状態にする、
ことを特徴とする請求項4に記載の表示装置。 - 前記データ供給回路は、N個の前記ブロックにそれぞれ対応するN個の駆動回路を含み、N個の前記駆動回路の各々は、イネーブル状態において基準クロック信号に応じて前記クロック信号を出力し、ディスエーブル状態において固定値を出力するマスク回路を含み、
n番目のブロックに対応するn番目の駆動回路は、(n−1)番目のブロックにおけるi段目のレジスタの出力に応じて自己の前記マスク回路を前記ディスエーブル状態から前記イネーブル状態にし、(n+1)番目のブロックにおけるj段目のレジスタの出力に応じて自己の前記マスク回路を前記イネーブル状態から前記ディスエーブル状態にする、
ことを特徴とする請求項6に記載の表示装置。 - 前記信号供給回路は、N個の前記ブロックにそれぞれ設けられたN個の前記保持ブロックのそれぞれからのデータを一括して取り込む保持部アレイと、前記保持部アレイから提供されるデータをアナログ信号に変換するDACアレイと、を含む、
ことを特徴とする請求項1乃至8のいずれか1項に記載の表示装置。 - 撮像部と、
前記撮像部によって撮像された画像を処理する処理部と、
前記処理部によって処理された画像を表示する表示部として構成された請求項1乃至9のいずれか1項に記載の表示装置と、
を備えることを特徴とする撮像装置。
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JP2018209931A JP7280686B2 (ja) | 2018-11-07 | 2018-11-07 | 表示装置および撮像装置 |
US16/669,675 US11062641B2 (en) | 2018-11-07 | 2019-10-31 | Display device and image capturing device |
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JP7280686B2 JP7280686B2 (ja) | 2023-05-24 |
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CN111445866B (zh) | 2020-05-08 | 2021-04-13 | 京东方科技集团股份有限公司 | 移位寄存器、驱动方法、驱动控制电路及显示装置 |
KR20220141366A (ko) * | 2021-04-12 | 2022-10-20 | 삼성디스플레이 주식회사 | 전자 장치 및 이의 구동 방법 |
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JPH1039823A (ja) * | 1996-05-23 | 1998-02-13 | Sharp Corp | シフトレジスタ回路および画像表示装置 |
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JP4732709B2 (ja) * | 2004-05-20 | 2011-07-27 | 株式会社半導体エネルギー研究所 | シフトレジスタ及びそれを用いた電子機器 |
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- 2018-11-07 JP JP2018209931A patent/JP7280686B2/ja active Active
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- 2019-10-31 US US16/669,675 patent/US11062641B2/en active Active
Patent Citations (8)
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JPH1039823A (ja) * | 1996-05-23 | 1998-02-13 | Sharp Corp | シフトレジスタ回路および画像表示装置 |
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US11062641B2 (en) | 2021-07-13 |
US20200143734A1 (en) | 2020-05-07 |
JP7280686B2 (ja) | 2023-05-24 |
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