JP4978694B2 - 映像表示装置 - Google Patents
映像表示装置 Download PDFInfo
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- JP4978694B2 JP4978694B2 JP2009521259A JP2009521259A JP4978694B2 JP 4978694 B2 JP4978694 B2 JP 4978694B2 JP 2009521259 A JP2009521259 A JP 2009521259A JP 2009521259 A JP2009521259 A JP 2009521259A JP 4978694 B2 JP4978694 B2 JP 4978694B2
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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
- G09G3/22—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
- G09G3/288—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 using AC panels
- G09G3/296—Driving circuits for producing the waveforms applied to the driving electrodes
- G09G3/2965—Driving circuits for producing the waveforms applied to the driving electrodes using inductors for energy 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
- 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
- G09G3/288—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 using AC panels
- G09G3/291—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 using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
- G09G3/292—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 using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for reset discharge, priming discharge or erase discharge occurring in a phase other than addressing
- G09G3/2927—Details of initialising
-
- 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
- G09G3/288—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 using AC panels
- G09G3/291—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 using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
- G09G3/294—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 using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for lighting or sustain discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/10—AC-PDPs with at least one main electrode being out of contact with the plasma
- H01J11/12—AC-PDPs with at least one main electrode being out of contact with the plasma with main electrodes provided on both sides of the discharge space
-
- 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
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/04—Display protection
- G09G2330/045—Protection against panel overheating
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
- G09G2340/04—Changes in size, position or resolution of an image
- G09G2340/0464—Positioning
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of Gas Discharge Display Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
図1は、本発明の実施の形態1における映像表示装置の映像表示部としてのパネル10の構造の一例を示す分解斜視図である。以下では、本実施の形態における映像表示装置は、一例としてパネル10を有するプラズマディスプレイ装置であるとして説明を行う。なお、映像表示装置は、プラズマディスプレイ装置に限るものではなく、表面伝導型電子放出素子ディスプレイパネルなどの発熱量が大きい映像表示部を含むものである。
図10は本発明の実施の形態2における映像表示装置としてのプラズマディスプレイ装置101の構造の一例を示す分解斜視図であり、図11は図10の11-11線における断面図である。図12は、本発明の実施の形態2におけるプラズマディスプレイ装置101の回路ブロック図である。本発明の実施の形態2における映像表示装置のパネル10の構造、駆動電圧波形の概要などは実施の形態1と同様である。本実施の形態が実施の形態1と異なる点は、図12に示すように、第2温度センサーである温度センサー61を有する周囲温度推測回路59と条件温度決定回路148とをさらに備えていることである。そして、条件温度決定回路148が、映像表示部であるパネル10の温度と周囲温度とを第1温度センサーと第2温度センサーとの2つの温度センサーで検出し、検出したパネル10の温度と周囲温度とを用いて条件温度を算出する点である。条件温度を算出する具体的な方法については後述する。
ただし、Ts: 周囲温度推測回路59の出力値(℃)
Tss: 温度センサー61の出力値(℃)
γ: チューナー回路による温度上昇のオフセット値(℃)
である。ここで、オフセット値γは、例えば、10(℃)である。この値は、一例であってパネルなどの設計条件によって異なるものである。したがって、条件温度決定回路148には、2つの温度センサーの出力値に基づく高精度な温度が入力され、以下で説明する条件温度の算出において精度向上に繋がる。
=Tp+α(Tp−Tss)
=Tp+α{Tp−(Ts+γ)}
ただし、T: 条件温度(℃)
Tp: 温度センサー49の出力値(℃)
Tdiff: 2つの温度センサーの出力値の差分(℃)
Tss: 温度センサー61の出力値(℃)
Ts: 周囲温度推測回路59の出力値(℃)
α: プラズマディスプレイ装置101に予め設定した補正係数であって、例えば、1.2である。この値は、一例であってパネルなどの設計条件によって異なるものである。
ただし、T: 条件温度(℃)
Tp: 温度センサー49の出力値(℃)
Hc: プラズマディスプレイ装置101に予め設定した設定された補正量(℃)であって、例えば、4(℃)である。この値は、一例であってパネルなどの設計条件によって異なるものである。
ただし、T : 条件温度(℃)
Tp: 温度センサー49の出力値(℃)
β : プラズマディスプレイ装置101に予め設定した補正量(℃)であって、例えば、5(℃)である。この値は、一例であってパネルなどの設計条件によって異なるものである。
ただし、Tt: 補正後周囲温度(℃)
Tss: 温度センサー61の出力値(℃)
ΔTp: 温度センサー49の温度上昇分(℃)
k: プラズマディスプレイ装置101に予め設定された周囲温度補正係数であって、例えば、1.2である。この値は、一例であってパネルなどの設計条件によって異なるものである。
3 バックカバー(後面枠)
4 通気孔
5 通気部
10 パネル
81 熱伝導シート
12 シャーシ
13a データ電極駆動回路搭載基板
13b 走査電極駆動回路搭載基板
13c 維持電極駆動回路搭載基板
14 電源回路搭載基板
15 小信号処理回路搭載基板
16 温度センサー設置器具
17 遮蔽壁
18 チューナー搭載基板
19 FPC
21 前面板
22 走査電極
23 維持電極
24 表示電極対
25,33 誘電体層
26 保護層
31 背面板
32 データ電極
34 隔壁
35 蛍光体層
41 画像信号処理回路
42 データ電極駆動回路
43 走査電極駆動回路
44 維持電極駆動回路
45 タイミング発生回路
48,148 条件温度決定回路
49 温度センサー(第1温度センサー)
50,60 維持パルス発生回路
51,56 電力回収回路
52,57 クランプ回路
53 初期化波形発生回路
54 走査パルス発生回路
55 書込みパルス発生回路
58 書込みパルス出力回路
59 周囲温度推測回路
61 温度センサー(第2温度センサー)
100,101 プラズマディスプレイ装置(映像表示装置)
121,122,123,161 ボス材
Q1,Q2,Q3,Q4,Q11,Q12,Q13,Q14,Q21,Q31,Q32,Q33,Q34,QH1〜QHn,QL1〜QLn スイッチング素子
C1,C10,C11,C21,C31 コンデンサ
L1,L31 インダクタ
D11,D12,D21,D31,D32 ダイオード
Claims (8)
- 映像を表示する映像表示部と、
前記映像表示部の背面に配置されたシャーシと、
前記シャーシに設置されたボス材と、
前記ボス材の先端が接続されたプリント基板と、
前記プリント基板上で、前記ボス材の先端近傍に配置された第1温度センサーと、
前記プリント基板を熱的に遮蔽する遮蔽壁を備えた温度センサー設置器具と、
前面枠および後面枠を有し前記映像表示部および前記温度センサー設置器具を収容する筐体とを備えた映像表示装置であって、
前記第1温度センサーは、前記プリント基板の前記前面枠側に配置した、
映像表示装置。 - 前記プリント基板上で、かつ、前記後面枠と対向する位置に第2温度センサーと、
前記第1温度センサーと前記第2温度センサーとから前記映像表示部の温度を算出する条件温度決定回路を備えた請求項1に記載の映像表示装置。 - 前記第2温度センサーは、前記プリント基板の前記後面枠側に配置する請求項2に記載の映像表示装置。
- 前記条件温度検出回路は、前記第1温度センサーの出力値と前記第2温度センサーの出力値との差分に、予め設定した補正係数を演算して、前記映像表示部の温度上昇分として算出する請求項2に記載の映像表示装置。
- 前記条件温度検出回路は、前記第1温度センサーの出力値により異なる算出式を用いる請求項2に記載の映像表示装置。
- 前記映像表示部は、プラズマディスプレイパネルである請求項1に記載の映像表示装置。
- 前記条件温度決定回路は、前記第2温度センサーの出力値から、
前記第1温度センサーの出力値の温度上昇分に、予め設定した周囲温度補正係数を掛け算した値を、
減算して、補正後周囲温度を算出する請求項2に記載の映像表示装置。 - 前記第2温度センサーは、
前記プリント基板の前記後面枠側に配置し、
前記プリント基板の前記第1温度センサーの周辺に切欠き或いは溝の何れかを設ける請求項2に記載の映像表示装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009521259A JP4978694B2 (ja) | 2008-02-06 | 2008-10-14 | 映像表示装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008026163 | 2008-02-06 | ||
JP2008026163 | 2008-02-06 | ||
PCT/JP2008/002891 WO2009098740A1 (ja) | 2008-02-06 | 2008-10-14 | 映像表示装置 |
JP2009521259A JP4978694B2 (ja) | 2008-02-06 | 2008-10-14 | 映像表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2009098740A1 JPWO2009098740A1 (ja) | 2011-05-26 |
JP4978694B2 true JP4978694B2 (ja) | 2012-07-18 |
Family
ID=40951829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009521259A Expired - Fee Related JP4978694B2 (ja) | 2008-02-06 | 2008-10-14 | 映像表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100118216A1 (ja) |
JP (1) | JP4978694B2 (ja) |
WO (1) | WO2009098740A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5080681B1 (ja) * | 2011-11-18 | 2012-11-21 | 株式会社ナナオ | 表示装置、コンピュータプログラム、記録媒体及び温度推定方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5936603A (en) * | 1996-01-29 | 1999-08-10 | Delco Electronics Corporation | Liquid crystal display with temperature compensated voltage |
JPH10307641A (ja) * | 1997-05-07 | 1998-11-17 | Toshiba Corp | 電子機器 |
KR100319117B1 (ko) * | 1999-06-30 | 2002-01-04 | 김순택 | 플라즈마 디스플레이 패널 장치 |
US7102596B2 (en) * | 2002-09-12 | 2006-09-05 | Lg Electronics Inc. | Method and apparatus for driving plasma display panel |
KR20040095854A (ko) * | 2003-04-28 | 2004-11-16 | 삼성에스디아이 주식회사 | 플라즈마 디스플레이 패널을 채용한 화상 표시장치 |
KR100549666B1 (ko) * | 2003-05-23 | 2006-02-08 | 엘지전자 주식회사 | 플라즈마 디스플레이 패널의 구동장치 |
JP2005031136A (ja) * | 2003-07-07 | 2005-02-03 | Pioneer Electronic Corp | パネル表示装置 |
KR100589370B1 (ko) * | 2003-11-26 | 2006-06-14 | 삼성에스디아이 주식회사 | 플라즈마 디스플레이 장치 |
KR101133758B1 (ko) * | 2005-01-19 | 2012-04-09 | 삼성전자주식회사 | 센서 및 이를 구비한 박막 트랜지스터 표시판 |
KR100647688B1 (ko) * | 2005-04-19 | 2006-11-23 | 삼성에스디아이 주식회사 | 플라즈마 디스플레이 패널 구동방법 |
TWI310169B (en) * | 2005-09-22 | 2009-05-21 | Chi Mei Optoelectronics Corp | Liquid crystal display and over-driving method thereof |
JP4816136B2 (ja) * | 2006-02-24 | 2011-11-16 | パナソニック株式会社 | プラズマディスプレイパネルの駆動方法およびプラズマディスプレイ装置 |
US7821488B2 (en) * | 2007-03-16 | 2010-10-26 | Mstar Semiconductor, Inc. | Temperature-dependent overdrive circuit for LCD panel and method of implementing the same |
-
2008
- 2008-10-14 WO PCT/JP2008/002891 patent/WO2009098740A1/ja active Application Filing
- 2008-10-14 JP JP2009521259A patent/JP4978694B2/ja not_active Expired - Fee Related
- 2008-10-14 US US12/597,203 patent/US20100118216A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20100118216A1 (en) | 2010-05-13 |
JPWO2009098740A1 (ja) | 2011-05-26 |
WO2009098740A1 (ja) | 2009-08-13 |
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