JP5346426B2 - 画像表示器の画面焼け防止方法および装置 - Google Patents
画像表示器の画面焼け防止方法および装置Info
- Publication number
- JP5346426B2 JP5346426B2 JP2006001838A JP2006001838A JP5346426B2 JP 5346426 B2 JP5346426 B2 JP 5346426B2 JP 2006001838 A JP2006001838 A JP 2006001838A JP 2006001838 A JP2006001838 A JP 2006001838A JP 5346426 B2 JP5346426 B2 JP 5346426B2
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000002265 prevention Effects 0.000 title description 3
- 238000003672 processing method Methods 0.000 claims abstract 2
- 238000012545 processing Methods 0.000 claims description 14
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000005019 pattern of movement Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 10
- 210000004027 cell Anatomy 0.000 description 6
- 238000012935 Averaging Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004180 plasmocyte Anatomy 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
-
- 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
- G09G3/007—Use of pixel shift techniques, e.g. by mechanical shift of the physical pixels or by optical shift of the perceived pixels
-
- 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
- G09G3/22—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
- G09G3/28—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 luminous gas-discharge panels, e.g. plasma panels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/075—Safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0332—Safety valves or pressure relief valves
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
- G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
- G09G1/14—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
- G09G1/16—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible the pattern of rectangular co-ordinates extending over the whole area of the screen, i.e. television type raster
-
- 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
- G09G2320/0261—Improving the quality of display appearance in the context of movement of objects on the screen or movement of the observer relative to the screen
-
- 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
- G09G2320/043—Preventing or counteracting the effects of ageing
- G09G2320/046—Dealing with screen burn-in prevention or compensation of the effects thereof
-
- 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
- G09G2320/10—Special adaptations of display systems for operation with variable images
- G09G2320/106—Determination of movement vectors or equivalent parameters within the image
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Plasma & Fusion (AREA)
- Food Science & Technology (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
- Control Of Gas Discharge Display Tubes (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Control Of El Displays (AREA)
Description
−ピクセル移動周波数を各動き度合いに関連づけるステップ、
−少なくとも一つの画像を有するグループの動き度合いを計算するステップ、
−計算した動き度合いに関連してピクセル移動周波数を選択するステップ。
−K動きレンジ(40)を定義するステップ、
−ピクセル移動周波数を各動きレンジ(40)に関連づけるステップ、
−少なくとも一つの画像(41)を有するグループに対する動き度合いを計算するステップ、
−計算された動き度合い(43)を含む動きレンジを選択するステップ、
−前記計算された動きレンジ(45)に関連したピクセル移動周波数を用いてピクセル移動周波数を変化させるステップ。
−m個の画像に関連するn個の動きデータサンプルを収集するステップ、ただし、m≦n、
−前記m個の画像に対する動きデータ平均を得るために前記n個のサンプルを平均するステップ。
−レンジ30:もし、MDaveがX0=0とX1の間に(X1も含む)存在するなら、画像は低い動きの画像としてクラス分けされ、ピクセル移動周波数はf1にセットされる。
−レンジ31:もし、MDaveがX1とX2の間に(X1は除外しX2は含む)に存在するなら、画像は中間の動きの画像としてクラス分けされ、ピクセル移動周波数はf2にセットされる。
−レンジ32:もし、MDaveがX2とX3の間に(X2は除外しX3は含む)に存在するなら、画像は高い動きの画像としてクラス分けされ、ピクセル移動周波数はf3にセットされる。
−レンジ33:もし、MDaveが厳密にX3より大きいなら、画像は非常に大きい動きの画像としてクラス分けされ、ピクセル移動周波数は0にセットされる。
Claims (8)
- 画像表示器における画面焼け防止のための画像処理の方法であって、
ピクセル移動周波数でのピクセル移動パターンによって基準の位置から画像を移動するステップを備え、前記ピクセル移動周波数は、少なくとも一つの画像のために、前記画像又は前記画像全体の、前記移動するステップによる前記基準の位置からの前記移動ピクセルの偏差に依存して動的に調整され、前記ピクセル移動周波数は、前記移動ピクセルの偏差に反比例する、方法。 - ピクセル移動周波数を前記基準の位置からの前記移動ピクセルの偏差の各々に関連づけるステップと、
少なくとも一つの画像に関する前記基準の位置からの移動ピクセルの偏差を計算するステップと、
前記計算された基準の位置からの移動ピクセルの偏差に関連して前記ピクセル移動周波数を選択するステップと、
を有する、請求項1記載の方法。 - 前記画像の移動範囲を示す複数個(K)の動きレンジを定義するステップと、
ピクセル移動周波数を各動きレンジに関連づけるステップと、
少なくとも一つの画像に対する前記基準の位置からの移動ピクセルの偏差を計算するステップと、
前記計算された基準の位置からの移動ピクセルの偏差を含む前記動きレンジを選択するステップと、
前記選択された動きレンジに関連したピクセル移動周波数を用いてピクセル移動周波数を変化させるステップと、
を有する、請求項1記載の方法。 - 計算された基準の位置からの移動ピクセルの偏差が少なくとも所定の回数連続して同じ動きレンジに属する場合のみ、前記ピクセル移動周波数を変化させる、請求項3記載の方法。
- m個の画像の前記基準の位置からの前記移動ピクセルの偏差に関連するn個の動きデータサンプルを収集するステップであって、m≦nである、ステップと、
前記ピクセル移動周波数を動きデータ平均に関連付けられた前記ピクセル移動周波数に変化させるための前記移動ピクセルの偏差を計算するために、前記n個のサンプルを平均して、前記m個の画像に対する動きデータ平均を得るステップと
によって前記基準の位置からの前記移動ピクセルの偏差が計算される、請求項3記載の方法。 - 前記ピクセル移動パターンは、斜め下方向に画像全体を最大QピクセルまでPピクセル移動させ、Pピクセル上方向すなわち逆方向に移動させるパターンであり、ただし、P≧1、かつQはPの倍数であり、
前記最大Qピクセルは、画像の基準の位置から前記画像が離れることが許容される最大数のピクセルである、請求項1記載の方法。 - 画面焼け防止のための画像処理装置であって、
画像又は前記画像全体の、基準の位置からの移動ピクセルの偏差を計算する動き処理手段と、
可変のピクセル移動周波数でのピクセル移動パターンによって基準の位置から画像を移動させる画像処理手段とを有し、
前記ピクセル移動周波数は、少なくとも一つの画像のために、前記動き処理手段によって計算された前記基準の位置からの前記画像又は前記画像全体の、基準の位置からの前記移動ピクセルの偏差に依存して、移動ピクセルの偏差に反比例するように動的に調整される、画像処理装置。 - 前記ピクセル移動周波数を前記移動ピクセルの偏差に関連づけるルックアップテーブルが用いられる、請求項7記載の画像処理装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05290039.6 | 2005-01-06 | ||
EP05290039A EP1679683A1 (en) | 2005-01-06 | 2005-01-06 | Method and device for protecting display from burn-in effect |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006189881A JP2006189881A (ja) | 2006-07-20 |
JP5346426B2 true JP5346426B2 (ja) | 2013-11-20 |
Family
ID=34941879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006001838A Active JP5346426B2 (ja) | 2005-01-06 | 2006-01-06 | 画像表示器の画面焼け防止方法および装置 |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP1679683A1 (ja) |
JP (1) | JP5346426B2 (ja) |
KR (1) | KR101182779B1 (ja) |
CN (1) | CN1801269B (ja) |
MX (1) | MXPA06000285A (ja) |
TW (1) | TWI400941B (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8194189B2 (en) * | 2006-01-06 | 2012-06-05 | Thomson Licensing | Method and device for protecting displays from burn-in effect |
JP5185202B2 (ja) * | 2009-06-03 | 2013-04-17 | キヤノン株式会社 | 画像処理装置及び画像処理装置の制御方法 |
TWI563495B (en) * | 2014-11-05 | 2016-12-21 | Jadard Technology Inc | Display device and image segment adjustment method thereof |
KR102355516B1 (ko) * | 2015-04-30 | 2022-01-26 | 삼성디스플레이 주식회사 | 터치 스크린 표시 장치 및 그의 구동 방법 |
KR102320207B1 (ko) * | 2015-05-06 | 2021-11-03 | 삼성디스플레이 주식회사 | 영상 보정부, 이를 포함하는 표시 장치, 및 표시 장치의 영상 표시 방법 |
KR102387390B1 (ko) * | 2015-05-22 | 2022-04-19 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 영상 표시 방법 |
KR102549919B1 (ko) * | 2016-07-08 | 2023-07-04 | 삼성디스플레이 주식회사 | 표시 장치 및 이의 영상 표시 방법 |
KR101981269B1 (ko) | 2017-08-29 | 2019-05-22 | 김지용 | 디스플레이에서 번-인 감소 방법 |
KR20220038198A (ko) | 2020-09-18 | 2022-03-28 | 삼성디스플레이 주식회사 | 표시장치 및 표시장치의 구동 방법 |
KR20220085065A (ko) | 2020-12-14 | 2022-06-22 | 삼성디스플레이 주식회사 | 표시 장치 및 표시 장치의 구동 방법 |
KR20220094263A (ko) | 2020-12-28 | 2022-07-06 | 삼성디스플레이 주식회사 | 타일형 표시 장치 및 영상 보정 방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0578290B1 (en) * | 1992-05-06 | 1998-08-05 | Koninklijke Philips Electronics N.V. | Motion estimation |
JPH0846969A (ja) * | 1994-07-26 | 1996-02-16 | Mitsubishi Electric Corp | 映像信号符号化方式 |
JP3331285B2 (ja) * | 1995-11-07 | 2002-10-07 | 日本電信電話株式会社 | 映像情報変換装置 |
JPH1020838A (ja) * | 1996-07-01 | 1998-01-23 | Mitsubishi Electric Corp | 画像表示装置の蛍光面保護回路 |
JPH1124041A (ja) * | 1997-06-30 | 1999-01-29 | Toshiba Corp | 液晶表示装置 |
JP2000227775A (ja) * | 1999-02-08 | 2000-08-15 | Nec Corp | 表示装置の焼付防止方法及び表示装置の焼付防止装置 |
JP2001117531A (ja) * | 1999-10-18 | 2001-04-27 | Nec Corp | 画素発光頻度の均一化機能付き表示装置 |
US6396520B1 (en) * | 2000-01-05 | 2002-05-28 | Apple Computer, Inc. | Method of transition between window states |
EP1271459A1 (en) * | 2001-06-27 | 2003-01-02 | Deutsche Thomson-Brandt Gmbh | Method and device for compensating burning effects on display panel |
JP2003131647A (ja) * | 2001-10-25 | 2003-05-09 | Sharp Corp | 画像制御装置 |
JP3995505B2 (ja) * | 2002-03-25 | 2007-10-24 | 三洋電機株式会社 | 表示方法および表示装置 |
KR20040037369A (ko) * | 2002-10-28 | 2004-05-07 | 삼성전자주식회사 | Pdp에서 픽셀 이동 방법 및 그 장치 |
-
2005
- 2005-01-06 EP EP05290039A patent/EP1679683A1/en not_active Withdrawn
- 2005-12-14 EP EP05112101.0A patent/EP1679682B1/en active Active
- 2005-12-30 TW TW094147369A patent/TWI400941B/zh active
-
2006
- 2006-01-05 KR KR1020060001306A patent/KR101182779B1/ko active IP Right Grant
- 2006-01-06 JP JP2006001838A patent/JP5346426B2/ja active Active
- 2006-01-06 MX MXPA06000285A patent/MXPA06000285A/es active IP Right Grant
- 2006-01-06 CN CN200610005719XA patent/CN1801269B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP1679683A1 (en) | 2006-07-12 |
EP1679682A1 (en) | 2006-07-12 |
CN1801269B (zh) | 2010-04-21 |
TW200625936A (en) | 2006-07-16 |
JP2006189881A (ja) | 2006-07-20 |
EP1679682B1 (en) | 2019-02-20 |
KR101182779B1 (ko) | 2012-09-14 |
KR20060080889A (ko) | 2006-07-11 |
TWI400941B (zh) | 2013-07-01 |
MXPA06000285A (es) | 2006-07-10 |
CN1801269A (zh) | 2006-07-12 |
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