CA2185830A1 - Determining optimal pulse width modulation patterns for spatial light modulator - Google Patents

Determining optimal pulse width modulation patterns for spatial light modulator

Info

Publication number
CA2185830A1
CA2185830A1 CA002185830A CA2185830A CA2185830A1 CA 2185830 A1 CA2185830 A1 CA 2185830A1 CA 002185830 A CA002185830 A CA 002185830A CA 2185830 A CA2185830 A CA 2185830A CA 2185830 A1 CA2185830 A1 CA 2185830A1
Authority
CA
Canada
Prior art keywords
function
light
difference
series
value
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002185830A
Other languages
English (en)
French (fr)
Inventor
Donald B. Doherty
Mark L. Burton
Vishal Markandey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of CA2185830A1 publication Critical patent/CA2185830A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
    • G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
    • G09G3/2022—Display of intermediate tones by time modulation using two or more time intervals using sub-frames
    • G09G3/2033—Display of intermediate tones by time modulation using two or more time intervals using sub-frames with splitting one or more sub-frames corresponding to the most significant bits into two or more sub-frames
    • 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
    • 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
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0266—Reduction of sub-frame artefacts
    • 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
    • G09G3/2007—Display of intermediate tones
    • 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
    • G09G3/346—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 modulation of the reflection angle, e.g. micromirrors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Liquid Crystal (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
CA002185830A 1995-09-27 1996-09-18 Determining optimal pulse width modulation patterns for spatial light modulator Abandoned CA2185830A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US441195P 1995-09-27 1995-09-27
US60/004,411 1995-09-27

Publications (1)

Publication Number Publication Date
CA2185830A1 true CA2185830A1 (en) 1997-03-28

Family

ID=21710666

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002185830A Abandoned CA2185830A1 (en) 1995-09-27 1996-09-18 Determining optimal pulse width modulation patterns for spatial light modulator

Country Status (6)

Country Link
EP (1) EP0766222A1 (https=)
JP (1) JPH09134148A (https=)
KR (1) KR100390732B1 (https=)
CN (1) CN1158055A (https=)
CA (1) CA2185830A1 (https=)
TW (1) TW310417B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5841413A (en) * 1997-06-13 1998-11-24 Matsushita Electric Industrial Co., Ltd. Method and apparatus for moving pixel distortion removal for a plasma display panel using minimum MPD distance code
DE69807304T2 (de) * 1997-11-26 2003-04-10 Motorola, Inc. Flüssigkristallanzeigesteuergerät mit Unterrahmen-Steuerung
US6097368A (en) * 1998-03-31 2000-08-01 Matsushita Electric Industrial Company, Ltd. Motion pixel distortion reduction for a digital display device using pulse number equalization
US6100863A (en) * 1998-03-31 2000-08-08 Matsushita Electric Industrial Co., Ltd. Motion pixel distortion reduction for digital display devices using dynamic programming coding
US7173639B2 (en) * 2002-04-10 2007-02-06 Intel Corporation Spatial light modulator data refresh without tearing artifacts
CN103635952B (zh) * 2011-06-22 2016-06-15 加拿大准视有限公司 基于时域心理视觉调制的图像／信息显示系统及方法

Also Published As

Publication number Publication date
KR100390732B1 (ko) 2003-10-04
EP0766222A1 (en) 1997-04-02
CN1158055A (zh) 1997-08-27
JPH09134148A (ja) 1997-05-20
KR970019033A (ko) 1997-04-30
TW310417B (https=) 1997-07-11

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20040920