JP6494736B2 - 表示装置 - Google Patents
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- JP6494736B2 JP6494736B2 JP2017247120A JP2017247120A JP6494736B2 JP 6494736 B2 JP6494736 B2 JP 6494736B2 JP 2017247120 A JP2017247120 A JP 2017247120A JP 2017247120 A JP2017247120 A JP 2017247120A JP 6494736 B2 JP6494736 B2 JP 6494736B2
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- 238000005070 sampling Methods 0.000 claims description 23
- 239000003990 capacitor Substances 0.000 claims description 16
- 239000004973 liquid crystal related substance Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 239000000758 substrate Substances 0.000 description 10
- 102100025960 Glutaminase kidney isoform, mitochondrial Human genes 0.000 description 4
- 101000856990 Homo sapiens Glutaminase kidney isoform, mitochondrial Proteins 0.000 description 4
- 210000002858 crystal cell Anatomy 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 3
- 101150037603 cst-1 gene Proteins 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 102100040954 Ephrin-A1 Human genes 0.000 description 1
- 101000965523 Homo sapiens Ephrin-A1 Proteins 0.000 description 1
- GJWAPAVRQYYSTK-UHFFFAOYSA-N [(dimethyl-$l^{3}-silanyl)amino]-dimethylsilicon Chemical compound C[Si](C)N[Si](C)C GJWAPAVRQYYSTK-UHFFFAOYSA-N 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
-
- 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
- G09G3/3406—Control of illumination source
-
- 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
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2230/00—Details of flat display driving waveforms
-
- 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
- G09G2300/04—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
- 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
- G09G2300/0828—Several active elements per pixel in active matrix panels forming a digital to analog [D/A] conversion circuit
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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
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
- G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/141—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light conveying information used for selecting or modulating the light emitting or modulating element
- G09G2360/142—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light conveying information used for selecting or modulating the light emitting or modulating element the light being detected by light detection means within each pixel
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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
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
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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
- G09G3/3614—Control of polarity reversal in general
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Description
Claims (9)
- 複数のゲートラインと
複数の前記ゲートラインに接続された複数のピクセルと、
複数の前記ゲートラインの内、第k(kは自然数)ゲートラインに接続される光学センサとを含む表示装置であって、
前記第kゲートラインに印加されるゲートパルスは、第k−i(iはkより小さい自然数)水平期間に印加されるセンシングゲートパルス及び第k水平期間に印加されるピクセル駆動用ゲートパルスを含み、
前記第kゲートラインに接続された前記光学センサは、前記センシングゲートパルスに応答してセンシング電圧を出力し、
前記第kゲートラインに接続されたピクセルには、前記ピクセル駆動用ゲートパルスに応答して、データ電圧が印加され、
前記表示装置は、前記光学センサが出力する前記センシング電圧に基づいて、センシングローデータを生成する光学センサ駆動部をさらに含み、
前記センシングゲートパルスと前記ピクセル駆動用ゲートパルスとの間隔は、前記光学センサが出力する前記センシング電圧に基づいて前記光学センサ駆動部が前記センシングローデータを生成するセンシング処理期間以上である表示装置。 - 前記第kゲートラインに印加されるゲートパルスは、前記第k−i水平期間から前記第k水平期間までターンオン電圧を維持する、請求項1に記載の表示装置。
- 複数の前記ゲートラインの各々には、同じゲートパルスが印加される、請求項1に記載の表示装置。
- 前記第kゲートラインに接続されたピクセルは、前記第k水平期間に、前記センシングローデータに基づいて変調されたデータ電圧が印加される、請求項1に記載の表示装置。
- 前記光学センサ駆動部は、
前記第k−i水平期間前にターンオンされ、基準電圧をサンプリングして、第1サンプリング電圧を出力する第1サンプリングスイッチと、
前記第k−i水平期間後にターンオンされ、前記センシング電圧をサンプリングして、第2サンプリング電圧を出力する第2サンプリングスイッチと、
前記第1サンプリングスイッチ及び前記第2サンプリングスイッチに接続され、前記センシング処理期間に、前記第1サンプリング電圧と前記第2サンプリング電圧との間の差電圧を前記センシングローデータに変換するアナログデジタル変換器とをさらに含む、請求項1に記載の表示装置。 - 前記光学センサは、
外部から放出された光を光電流に変換するセンサトランジスタと、
前記センサトランジスタと接続され、前記センサトランジスタからの前記光電流を前記センシング電圧として蓄積するストレージキャパシタと、
前記第kゲートラインからのセンシングゲートパルスに応答してターンオンされ、前記ストレージキャパシタに蓄積された前記センシング電圧を前記光学センサ駆動部に供給するスイッチトランジスタとを含む、請求項1に記載の表示装置。 - 複数のゲートラインと、
複数の前記ゲートラインの内、同じゲートラインを共有するピクセル及び光学センサとを含む表示装置であって、
前記光学センサが外部から放出される光に基づいて生成したセンシング電圧を出力後に、前記光学センサと前記ゲートラインを共有するピクセルには、前記センシング電圧に基づいて変化したデータ電圧が印加され、
前記ピクセルと前記光学センサが共有する前記ゲートラインに印加されるゲートパルスは、前記センシング電圧を出力する前記光学センサを制御するためのセンシングゲートパルスと、前記ピクセルを駆動するピクセル駆動用ゲートパルスとを含み、
前記表示装置は、前記光学センサが出力する前記センシング電圧に基づいて、センシングローデータを生成する光学センサ駆動部をさらに含み、
前記センシングゲートパルスと前記ピクセル駆動用ゲートパルスとの間隔は、前記光学センサが出力する前記センシング電圧に基づいて前記光学センサ駆動部が前記センシングローデータを生成するセンシング処理期間以上である表示装置。 - 前記ピクセルと前記光学センサに共有される前記ゲートラインに印加される前記ゲートパルスは、前記センシングゲートパルスと前記ピクセル駆動用ゲートパルスの間の期間においてターンオン電圧に維持される、請求項7に記載の表示装置。
- 複数の前記ゲートラインの各々には、同じゲートパルスが印加される、請求項7に記載の表示装置。
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Application Number | Priority Date | Filing Date | Title |
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KR10-2017-0087310 | 2017-07-10 | ||
KR1020170087310A KR102470567B1 (ko) | 2017-07-10 | 2017-07-10 | 광학센서 내장형 표시장치 |
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JP2019015948A JP2019015948A (ja) | 2019-01-31 |
JP6494736B2 true JP6494736B2 (ja) | 2019-04-03 |
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US (1) | US10565940B2 (ja) |
JP (1) | JP6494736B2 (ja) |
KR (1) | KR102470567B1 (ja) |
CN (1) | CN109243387B (ja) |
DE (1) | DE102017130537A1 (ja) |
GB (1) | GB2564504B (ja) |
TW (1) | TWI657364B (ja) |
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US11538846B2 (en) | 2019-07-30 | 2022-12-27 | Samsung Electronics Co., Ltd. | Display, electronic device having the display, and method of estimating bio-information using the electronic device |
TWI746067B (zh) * | 2019-12-03 | 2021-11-11 | 義明科技股份有限公司 | 光感測器及其感測方法 |
CN112951177B (zh) * | 2019-12-10 | 2022-09-02 | 北京集创北方科技股份有限公司 | 显示亮度控制装置及电子设备 |
CN114187836B (zh) | 2021-12-12 | 2023-06-02 | 武汉华星光电技术有限公司 | 显示面板 |
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2017
- 2017-07-10 KR KR1020170087310A patent/KR102470567B1/ko active IP Right Grant
- 2017-12-05 CN CN201711269288.2A patent/CN109243387B/zh active Active
- 2017-12-14 US US15/842,775 patent/US10565940B2/en active Active
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TW201908946A (zh) | 2019-03-01 |
TWI657364B (zh) | 2019-04-21 |
CN109243387A (zh) | 2019-01-18 |
DE102017130537A1 (de) | 2019-01-10 |
US10565940B2 (en) | 2020-02-18 |
KR20190006382A (ko) | 2019-01-18 |
GB2564504B (en) | 2020-06-10 |
US20190012967A1 (en) | 2019-01-10 |
KR102470567B1 (ko) | 2022-11-24 |
GB201721755D0 (en) | 2018-02-07 |
GB2564504A (en) | 2019-01-16 |
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