WO2006064459A3 - Gamma correction in a bi-stable display - Google Patents

Gamma correction in a bi-stable display Download PDF

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Publication number
WO2006064459A3
WO2006064459A3 PCT/IB2005/054200 IB2005054200W WO2006064459A3 WO 2006064459 A3 WO2006064459 A3 WO 2006064459A3 IB 2005054200 W IB2005054200 W IB 2005054200W WO 2006064459 A3 WO2006064459 A3 WO 2006064459A3
Authority
WO
WIPO (PCT)
Prior art keywords
optical state
temperature
display
signal
pixels
Prior art date
Application number
PCT/IB2005/054200
Other languages
French (fr)
Other versions
WO2006064459A2 (en
Inventor
Mark T Johnson
Guofu Zhou
Rogier Cortie
Original Assignee
Koninkl Philips Electronics Nv
Mark T Johnson
Guofu Zhou
Rogier Cortie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninkl Philips Electronics Nv, Mark T Johnson, Guofu Zhou, Rogier Cortie filed Critical Koninkl Philips Electronics Nv
Publication of WO2006064459A2 publication Critical patent/WO2006064459A2/en
Publication of WO2006064459A3 publication Critical patent/WO2006064459A3/en

Links

Classifications

    • 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
    • G09G3/3433—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 light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
    • G09G3/344—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 light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
    • 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
    • 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
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • 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
    • G09G2320/0606—Manual adjustment
    • 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
    • G09G2320/0673—Adjustment of display parameters for control of gamma adjustment, e.g. selecting another gamma curve

Abstract

A bi-stable electro-optic display (1) comprises pixels (5) which have an initial optical state to display an initial image. An input receives an input signal (IV) which defines a desired optical state of the pixels (5) to display a desired image succeeding the initial image. A temperature sensor (30) supplies a temperature signal (TE) which indicates a temperature of said display (1). An offset circuit (154) determines an adapted temperature signal (TA) which is the temperature signal (TE) adapted with an offset signal (TO) to indicate another temperature than the temperature of the display (1). A look-up table memory (152) comprises stored data (SD) that determines drive waveforms required for an optical state transition (OT) from the initial optical state to the desired optical state. A controller (153) determines actual drive waveforms (DA(J)) by looking up the stored data (SD) for the optical state transition (OT) using the adapted temperature signal (TA). A driver (3) supplies the actual drive waveforms (DA(J)) to the pixels (5).
PCT/IB2005/054200 2004-12-17 2005-12-13 Gamma correction in a bi-stable display WO2006064459A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04106681 2004-12-17
EP04106681.2 2004-12-17

Publications (2)

Publication Number Publication Date
WO2006064459A2 WO2006064459A2 (en) 2006-06-22
WO2006064459A3 true WO2006064459A3 (en) 2006-11-02

Family

ID=36588260

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2005/054200 WO2006064459A2 (en) 2004-12-17 2005-12-13 Gamma correction in a bi-stable display

Country Status (2)

Country Link
TW (1) TW200632832A (en)
WO (1) WO2006064459A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8355018B2 (en) * 2007-06-15 2013-01-15 Ricoh Co., Ltd. Independent pixel waveforms for updating electronic paper displays
ES2823736T3 (en) * 2008-04-11 2021-05-10 E Ink Corp Procedures for exciting electro-optical display devices
TWI419112B (en) * 2010-10-12 2013-12-11 Ite Tech Inc Driving device for bistable electro-optic display and driving method therefor
TWI415065B (en) * 2010-12-31 2013-11-11 Au Optronics Corp Bistable display and method of driving panel thereof
CN114613312A (en) * 2016-02-08 2022-06-10 伊英克公司 Method and apparatus for operating an electroluminescent display in white mode
CN109637464A (en) * 2019-01-30 2019-04-16 掌阅科技股份有限公司 Display device of electronic paper
CN114373430B (en) * 2022-01-21 2023-07-21 重庆京东方智慧电子系统有限公司 Electrophoretic particle driving data display method and device, equipment and medium
CN116504189B (en) * 2023-04-28 2024-01-05 广州文石信息科技有限公司 Electronic ink screen driving method, device, equipment and readable storage medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5739805A (en) * 1994-12-15 1998-04-14 David Sarnoff Research Center, Inc. Matrix addressed LCD display having LCD age indication, and autocalibrated amplification driver, and a cascaded column driver with capacitor-DAC operating on split groups of data bits
WO2003044765A2 (en) * 2001-11-20 2003-05-30 E Ink Corporation Methods for driving bistable electro-optic displays

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5739805A (en) * 1994-12-15 1998-04-14 David Sarnoff Research Center, Inc. Matrix addressed LCD display having LCD age indication, and autocalibrated amplification driver, and a cascaded column driver with capacitor-DAC operating on split groups of data bits
WO2003044765A2 (en) * 2001-11-20 2003-05-30 E Ink Corporation Methods for driving bistable electro-optic displays

Also Published As

Publication number Publication date
TW200632832A (en) 2006-09-16
WO2006064459A2 (en) 2006-06-22

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