JP2014126764A - 表示装置 - Google Patents
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Abstract
【解決手段】裸眼立体画像表示装置に用いられる表示パネルの1画素構造は、透明基板25上に形成した櫛歯電極5における画素電極と共通電極との間で横電界を発生させ、液晶分子23eを面内で回転させて光透過率を制御するIn-Plane Switchingモードを採用している。そして、通常のIn-Plane Switchingモードの液晶パネルでは設けない対向透明電極4を透明基板22側に画素周辺領域に対応して形成し、3次元画像表示時に、対向透明電極4と櫛歯電極5との縦電界を強制的に発生させ、液晶分子23eを立ち上がらせて画素周辺領域を黒表示とする。一方、2次元画像表示時に、対向透明電極4をフローティング状態に設定して、対向透明電極4を設けない構造と実質等価にして画素周辺領域の表示を画素主要領域と同じ表示(輝度)とする。
【選択図】図2
Description
(発明の原理:液晶視差バリア方式裸眼立体ディスプレイの構造概要)
図1は、この発明の実施の形態1に係る表示装置(液晶視差バリア方式の裸眼立体表示装置)の構成を示す断面図である。この裸眼立体画像表示装置10は、右の画像(右眼に対する視差画像、(第1の観察方向用の画像;第1種画像))及び左の画像(右眼に対する視差画像と少しだけ異なる左眼に対する視差画像(第2の観察方向用の画像;第2種画像))からなる2画像(3次元画像)を同時に表示可能である。
図1における表示パネル20では、2画像(3次元画像)を表示する場合においては、単一画像(2次元画像)のみを表示する表示パネルよりも横方向の画素開口幅を狭めている。単一画像のみ表示する表示パネルでは、横方向の画素開口幅が画素ピッチ(右眼用サブ画素領域23Rの中心位置〜左眼用サブ画素領域23Lの中心位置までの距離)の70〜90%程度であるのに対し、裸眼立体画像表示装置10のように2画像を表示する表示パネル20の横方向画素開口幅は画素ピッチの50%程度となる。
次に、実施の形態1の裸眼立体画像表示装置10にける特徴的な構造である表示パネル20の画素について説明する。
実施の形態1では視差バリアパネル30を表示パネル20の後方に設置したが、表示パネル20の前方に設置しても良い。視差バリアパネル30を表示パネル20の前方に設置することで、表示パネル20として、自発光型の表示パネル、例えば、有機ELパネル、プラズマディスプレイなどを用いることができる。表示パネル20として自発光型の表示パネルを適用する場合は、画素周辺領域のみ独立して発光を制御することにより、実施の形態1の上述した効果と同様の効果を得ることができる。
(パネル製造後でもカラー表示の色味を調整可能な液晶表示装置)
図5はこの発明の実施の形態2に係る表示パネル50の構成を示す断面図である。実施の形態2の表示パネル50は、実施の形態1の表示パネル20と同様、マトリクス状に配置された複数の画素により画像表示を行う表示パネルであり、液晶モードはIn-Plane Switchingモードを採用している。
さらに、対向透明電極44R,44G及び44Bをそれぞれさらに複数に分割して電圧印加する面積(画素周辺領域の面積)を調整可能とすれば、RGB色成分単位で各画素の開口率を複数段階で制御することができ、輝度の低下内容を複数種設定することができる分、RGBによる色表示の色味を細かく調整することができる。
図4で示した画素周辺領域制御部61及び62の制御処理部分は、例えば、ソフトウェアに基づくCPUを用いたプログラム処理によって実行可能である。
Claims (5)
- マトリクス状に配列された複数の画素により画像表示を行う表示パネルと、
前記複数の画素それぞれの周辺部である画素周辺領域の輝度を、前記画素周辺領域以外の画素主要領域と独立して制御する画素周辺領域輝度制御手段を備える、
表示装置。 - 請求項1に記載の表示装置であって、
前記表示パネルの前方または後方に配置され、第1形式の画像用に設定される完全光透過状態と、第2形式の画像用に設定される、水平方向に沿って透過領域と遮光領域とが交互に形成される一部遮光状態とを切り替え可能な視差バリアパネルをさらに備え、
前記表示パネルにおける前記複数の画素は、前記第2形式の画像表示用に役割が分担された第1種画素と第2種画素が前記水平方向に交互に配列されており、
前記画素周辺領域は前記複数の画素それぞれの前記水平方向における両端部領域を少なくとも含み、
前記画素周辺領域輝度制御手段は、
前記複数の画素に対し、前記視差バリアパネルの前記一部遮光状態時に前記画素周辺領域を強制的に黒表示状態に設定し、前記視差バリアパネルの前記完全透過状態時に前記画素周辺領域の輝度を前記画素領域と同じ輝度に設定する輝度設定処理を実行する、
表示装置。 - 請求項2記載の表示装置において、
前記表示パネルは、
一方電極,他方電極間に形成される電界によって状態が変化する液晶層により前記複数の画素が構成される液晶表示パネルであり、
前記画素周辺領域輝度制御手段は、
前記複数の画素それぞれの前記画素周辺領域に対応して独立して設けられる複数の画素周辺領域用電極を備え、前記画素周辺領域用電極は、前記一方電極及び他方電極のいずれかの電極との間で前記液晶層に電界を発生させることができ、
前記複数の周辺領域用電極に付与する電圧状態を前記視差バリアパネルの前記一部遮光状態時と前記完全透過状態時とで変化させることにより、前記輝度設定処理を実行する画素周辺領域用電極制御部とを含む、
表示装置。 - 請求項1記載の表示装置であって、
前記複数の画素はそれぞれ複数種の色成分画素を有し、
前記画素周辺領域輝度制御手段は、
前記複数の画素に対し、前記複数種の色成分画素単位に、前記画素周辺領域の輝度を強制的に黒表示状態に第1設定、及び前記画素周辺領域の輝度を前記主要画素領域と同じにする第2設定のいずれかに設定する、色成分別輝度設定処理を実行する、
表示装置。 - 請求項4記載の表示装置であって、
前記表示パネルは、
一方電極,他方電極間に形成される電界によって状態が変化する液晶層により前記複数の画素が構成される液晶表示パネルであり、
前記画素周辺領域輝度制御手段は、
前記複数の画素それぞれの前記画素周辺領域に対応して独立して設けられる複数の画素周辺領域用電極を含み、前記複数の画素周辺領域用電極はそれぞれ前記複数種の色成分に対応する複数種の色成分画素用電極を有し、前記複数種の色成分画素用電極はそれぞれ前記一方電極及び他方電極のいずれかの電極との間で前記液晶層に電界を発生させることができ、
前記複数の画素周辺領域用電極に付与する電圧状態を前記複数種の色成分画素用電極単位に設定することにより、前記色成分別輝度設定処理を実行する画素周辺領域制御部をさらに含む、
表示装置。
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Application Number | Priority Date | Filing Date | Title |
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JP2012284588A JP6124587B2 (ja) | 2012-12-27 | 2012-12-27 | 表示装置 |
US14/103,720 US9349337B2 (en) | 2012-12-27 | 2013-12-11 | Display device |
US15/077,556 US9412312B2 (en) | 2012-12-27 | 2016-03-22 | Display device |
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JP2012284588A JP6124587B2 (ja) | 2012-12-27 | 2012-12-27 | 表示装置 |
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JP2014126764A5 JP2014126764A5 (ja) | 2016-01-28 |
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CN112526763A (zh) * | 2020-11-20 | 2021-03-19 | 亿信科技发展有限公司 | 一种光场3d显示装置及其驱动方法 |
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JP6099892B2 (ja) * | 2012-07-09 | 2017-03-22 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America | 映像表示装置 |
JP6207355B2 (ja) * | 2013-11-18 | 2017-10-04 | 株式会社ジャパンディスプレイ | 3次元表示装置 |
CN104267525B (zh) * | 2014-08-18 | 2018-05-11 | 深圳市华星光电技术有限公司 | 立体显示装置及其制作方法 |
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CN109256076B (zh) * | 2018-08-30 | 2022-02-22 | 京东方科技集团股份有限公司 | 边缘像素显示方法、系统、存储设备和显示装置 |
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US9412312B2 (en) | 2016-08-09 |
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US20160203773A1 (en) | 2016-07-14 |
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