JPS63228132A - Liquid crystal display device for color display - Google Patents
Liquid crystal display device for color displayInfo
- Publication number
- JPS63228132A JPS63228132A JP62060211A JP6021187A JPS63228132A JP S63228132 A JPS63228132 A JP S63228132A JP 62060211 A JP62060211 A JP 62060211A JP 6021187 A JP6021187 A JP 6021187A JP S63228132 A JPS63228132 A JP S63228132A
- Authority
- JP
- Japan
- Prior art keywords
- color
- liquid crystal
- pattern
- crystal display
- display device
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 24
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 239000003086 colorant Substances 0.000 abstract description 8
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 230000003252 repetitive effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 229930091051 Arenine Natural products 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/52—RGB geometrical arrangements
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は液晶表示素子内にカラーフィルタを有するカラ
ー表示液晶表示装置に係わり、特にカラーフィルタ形成
電極の構成に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a color display liquid crystal display device having a color filter within a liquid crystal display element, and particularly to the configuration of color filter forming electrodes.
第５図はこの種のカラー表示液晶表示装置の一例を示す
図であり、同図（ａ）は要部平面図、同図（ｂ）は同図
（ａ）のＢ −Ｂ’線の断面図、同図（Ｃ）は同図（ａ
）のｃ−ｃ’線の断面図である。同図において、透光性
ガラス板からなる上基板１と下基板２との対向面上には
、透明導電膜からなる複数の上電極３および下電極４が
それぞれ帯状に互いに直交して被層形成され、かつこれ
らの上電極３おＬび下電極４の形成面上には表面にラビ
ング処理を施し几液晶配向膜５が形成され、さらに下電
極４上には、例えば赤、緑、責の３色のフィルタＳＲ，
８Ｇ、６Ｂが順次繰り返し形成配置されており、そして
、これらの上基板１と下基板２との間は所定距離離間し
てその周辺部がスペーサを含有したシール材Ｔで封着さ
れて外囲器を形放し、この外囲器の内部にＴ Ｎ （Ｔ
ｗｉ ５ｔｅｄ Ｎｅｍａｔ ｉｃ）液晶８が封入され
て液晶表示素子９が構成されている。ま念、この液晶表
示素子９の外面、つまり上基板１および下基板２の外面
には互いに偏光軸もしくは吸収軸全平行させて上偏光板
１０および下偏光板１１がそれぞれ接着配置されてカラ
ー表示液晶表示装置が構成されている。FIG. 5 is a diagram showing an example of this type of color display liquid crystal display device, in which (a) is a plan view of the main part, and (b) is a cross section taken along the line B-B' in (a). Figure, the same figure (C) is the same figure (a
) is a sectional view taken along line c-c' of FIG. In the figure, a plurality of upper electrodes 3 and lower electrodes 4 each made of a transparent conductive film are layered in a band-like manner orthogonally to each other on opposing surfaces of an upper substrate 1 and a lower substrate 2 made of transparent glass plates. A liquid crystal alignment film 5 is formed on the surfaces where the upper electrode 3 and lower electrode 4 are formed by subjecting them to a rubbing treatment. 3 color filter SR,
8G and 6B are sequentially and repeatedly formed and arranged, and the upper substrate 1 and the lower substrate 2 are separated by a predetermined distance, and the peripheral portion thereof is sealed with a sealing material T containing a spacer to form an outer surrounding. The container is released and T N (T
wi 5ted Nematic) A liquid crystal 8 is sealed to constitute a liquid crystal display element 9. To be sure, on the outer surface of this liquid crystal display element 9, that is, on the outer surfaces of the upper substrate 1 and the lower substrate 2, an upper polarizing plate 10 and a lower polarizing plate 11 are respectively adhered and arranged with their polarization axes or absorption axes completely parallel to each other to display a color display. A liquid crystal display device is configured.
このように構成されるカラー表示液晶表示装置は、例え
ば赤色表示の場合には赤色フィルタ８Ｒが形成された信
号電極と走査電極との間に所定の電圧を印加することに
エフ、ＴＮ液晶８の光学的性質を変化させ、すなわち赤
色フィルタ６Ｒに対応する液晶部分に入射する光を透過
させることに工り、上基板１側から赤色表示のパターン
としてｇ識することができる。また、緑色表示パターン
。For example, in the case of red display, the color display liquid crystal display device configured as described above is configured to apply a predetermined voltage between the signal electrode on which the red filter 8R is formed and the scanning electrode. By changing the optical properties, that is, by transmitting the light incident on the liquid crystal portion corresponding to the red filter 6R, it can be perceived as a red display pattern from the upper substrate 1 side. It also shows a green pattern.
青色表示パターンも同様に表示できる。さらに白色表示
は、赤色カラ−フィルタ５Ｒｔａ色カラーフィルタ６Ｇ
および青色カラーフィルタ６Ｂに対応する信号電極と走
査電極との間に所定の電圧上同時に印加させることに１
フ可能となる。この＝うに各色の組合せにエフ多くの色
表示が可能となる。A blue display pattern can also be displayed in the same way. Furthermore, for white display, red color filter 5Rta color filter 6G
A predetermined voltage is simultaneously applied between the signal electrode and the scanning electrode corresponding to the blue color filter 6B.
It becomes possible to This combination of colors makes it possible to display many colors.
しかしながら、このように構成されるカラー表示液晶表
示装置では、下基板２上に形成し九個々の下電極４上に
それぞれカラーフィルタＳＲ，６Ｇ。However, in the color display liquid crystal display device configured in this manner, nine color filters SR and 6G are formed on the lower substrate 2 and on each of the nine lower electrodes 4.
６Ｂが一方向に縦長となるパターン寸法を有して形成さ
れているので、前面側に表示されたカラー表示画儂は縦
方向の線が強調され、画質に方向性が出てしまうという
問題があり九。Since the 6B is formed with a pattern dimension that is vertically elongated in one direction, the color display image displayed on the front side has the problem that the vertical lines are emphasized and the image quality becomes directional. There are nine.
し九がって本発明は前述した従来の問題に鑑みてなされ
念ものであり、その目的は、表示画儂に方向性が少なく
、高品質のカラー表示画儂が得られるカラー表示液晶表
示装置を提供することにある。SUMMARY OF THE INVENTION The present invention was conceived in view of the above-mentioned conventional problems, and its purpose is to provide a color liquid crystal display device that can provide a high-quality color display image with little directionality in the display image. Our goal is to provide the following.
本発明に係わるカラー表示液晶表示装置は、対向配置さ
れる透光性上、下基板上に、大小２種類のパターンを交
互に連結してなる複数の上、下電極を互いに直交させて
形成配置し、各下電極の上ま九は下に該下電極とほぼ同
形状のパターンを有する各色のカラーフィルタを一定の
繰り返し周期で配列して構成し比ものである。A color display liquid crystal display device according to the present invention has a plurality of upper and lower electrodes formed by alternately connecting patterns of two types of sizes on transparent upper and lower substrates arranged to face each other and arranged so as to be orthogonal to each other. However, the upper corner of each lower electrode is constructed by arranging color filters of each color having a pattern approximately the same shape as that of the lower electrode at a constant repeating period.
本発明においては、各色のカラーフィルタが大／Ｊ１２
種類のパターンを交互に連結して形成されるので、画儂
表示の方向性が軽減される。In the present invention, each color filter is large/J12
Since different types of patterns are alternately connected, the directionality of image display is reduced.
以下、図面を用いて本発明の実施例を詳細に説明する。 Embodiments of the present invention will be described in detail below with reference to the drawings.
第１図は本発明によるカラー表示液晶表示装置の一実施
例金示す図で同図（ａ）は要部平面図、同図（ｂ）は同
図（ａ）のＢ−Ｂ’線の断面図、同図（Ｃ）は同図（ａ
）のＣ−Ｃ’線の断面図であり、前述の図と同一ま几は
相当する部分には同一符号を付しである・同図において
、上基板１上には、第２図（ａ）に示す工うに一方向（
横方向）に８角形のパターン３ａと４角形のパターン３
ｂとを交互に連鰭してなる複数の上電極３′が透明導電
膜にエフ形成されている。FIG. 1 is a diagram showing an embodiment of a color liquid crystal display device according to the present invention, FIG. 1(a) is a plan view of the main part, and FIG. Figure, the same figure (C) is the same figure (a
) is a cross-sectional view taken along the line CC' of ) is shown in one direction (
(horizontal direction) octagonal pattern 3a and quadrilateral pattern 3
A plurality of upper electrodes 3' formed by alternating fins are formed on the transparent conductive film.
ま之、これらの上電極３′が形成された上基板１と対向
する下基板２上にはＩ！２図伽）に示すように一方向（
縦方向）に８角形のパターン４ａと４角形のパターン４
ｂと交互に連結してなる複数の下電極４′が透明導電膜
により形成されている。そして、上基板１上に形成され
た複数の上電極３′の各８角ターン４ａおよび４角形パ
ターン４ｂとがそれぞれ互いにパターンを対向させ組み
合わされて配置されている。さらにこれらの下電極４′
上には、第３図に示すようにこれらの下電極４′パター
ンとほぼ同等のパターン８ｍ、６ｂ形状を有する赤、緑
。However, on the lower substrate 2 facing the upper substrate 1 on which the upper electrodes 3' are formed, I! As shown in Figure 2), one direction (
Octagonal pattern 4a and quadrangular pattern 4 (vertical direction)
A plurality of lower electrodes 4' are formed of a transparent conductive film and are alternately connected to the lower electrodes 4'. The octagonal turns 4a and quadrangular patterns 4b of the plurality of upper electrodes 3' formed on the upper substrate 1 are arranged in combination with their patterns facing each other. Furthermore, these lower electrodes 4'
As shown in FIG. 3, the upper electrodes have red and green patterns 8m and 6b in shape that are almost the same as these lower electrode 4' patterns.
青色カラーフィルタＳＲ，８Ｇ、８Ｂが一定の繰り返し
周期を有して形成配置されている。なお、このような上
電極３′および下電極４′は、通常の透明導電膜の形成
で用いられる蒸着法もしくはスパッタ法などにエフ容易
に形成することができる。Blue color filters SR, 8G, and 8B are formed and arranged with a constant repetition period. Incidentally, such upper electrode 3' and lower electrode 4' can be easily formed by a vapor deposition method, a sputtering method, etc., which are used for forming a normal transparent conductive film.
さらにこのＬつな各色のカラーフィルタＳＲ，６Ｇ。Furthermore, this L color filter SR, 6G of each color.
６Ｂも通常のカラーフィルタの形成で用いられるスクリ
ーン印刷法もしくは染色法などに１９容易に形成するこ
とができる。6B can also be easily formed by the screen printing method or dyeing method used in the formation of ordinary color filters.
このような構成に工れば、各色のカラーフィルタＳＲ，
６Ｇ、６Ｂは、第３図に示した＝うに大小２種類のパタ
ーン、すなわち形状の大きい８角形パターン６ａと形状
の小さい４角形パターン６ｂと全交互に連続して形成す
るとともに各色毎にパターン形状を互いに組合せて配列
されるので、大小２種類のカラーフィルタａＲｔ８Ｇ、
６Ｂを１個の画素（６ドツト、従来は３ドツト）と考え
ると、６ドツトの組み合わせにより階調なしで２６通り
の色を表現でき、従来の２１通、ＱＩＣ比べて８倍の色
を選択することが可能となる。す表わち、１つの色の明
るさを面積として３段階に使い分けられ、階調表示全行
ない、同じ面積で明るさを強くするエリも視覚にエリ訴
えることができる。このことは例えば赤色を強調し念い
ウオーニング表示などに極めて有効である。また、各色
のカラーフィルタ６Ｒ，６Ｇ、６Ｂは、８角形パターン
６ａと４角形パターン６ｂとを交互に連軸して形成され
るので、その各色フイルタ形状の境界部が第５図に示す
工うに縦方向に一直線上になく、交互に交備して形成さ
れるので、カラー表示パターンの縦方向性が軽減され、
色バランスのとれ比表示品位の艮い画偉表示が可能とな
る。With such a configuration, each color filter SR,
6G and 6B are two types of patterns shown in Fig. 3, large and small, ie, a large octagonal pattern 6a and a small square pattern 6b, which are formed alternately and continuously, and the pattern shape is changed for each color. are arranged in combination with each other, so two types of color filters, large and small, aRt8G,
If 6B is considered as one pixel (6 dots, conventionally 3 dots), 26 colors can be expressed without gradation by combining 6 dots, and 21 colors can be selected compared to the conventional QIC, 8 times more colors. It becomes possible to do so. In other words, the brightness of one color can be used in three levels as an area, and even an area where the brightness is increased in the same area in all gradation display rows can be visually appealing. This is extremely effective, for example, for emphasizing red and displaying warnings. In addition, since the color filters 6R, 6G, and 6B of each color are formed by alternately linking the octagonal pattern 6a and the quadrangular pattern 6b, the boundary between the color filter shapes is as shown in FIG. Since they are formed not in a straight line in the vertical direction but in an alternating manner, the vertical directionality of the color display pattern is reduced.
It is possible to display images with a well-balanced color ratio and display quality.
なお、前述し之実層側においては、各上電極３′。Incidentally, on the above-mentioned real layer side, each upper electrode 3'.
下電極４′および各色カラーフィルタ６Ｒ，６Ｇ。Lower electrode 4' and each color filter 6R, 6G.
６Ｂｔ−１形状の大きい８角形パターンと形状の小さい
４角形パターンとを交互に連結して形成するパターン形
状とした場合について説明し九が、本発明はこれに限定
されるものではなく、例えば各色カラーフィルタ６Ｒｔ
８Ｇ、８Ｂの場合で説明すると、ｔａ４図に要部平面図
で示す工うに円形パターンＲｄとひし形パターン６ｄと
を交互に連結して形成したパターン構成を用いても前述
と全（同様の効果が得られることは言うまでもない。A case in which a pattern shape is formed by alternately connecting a large octagonal pattern with a 6Bt-1 shape and a small rectangular pattern will be described. However, the present invention is not limited to this. Color filter 6Rt
To explain in the case of 8G and 8B, even if the pattern structure formed by alternately connecting the circular pattern Rd and the diamond pattern 6d shown in the plan view of the main part in Figure TA4 is used, the same effect as described above can be obtained. It goes without saying that you can get it.
ま次を前述した！Ｉ！施例層側いては、各色カラーフィ
ルタＳＲ，６Ｇ、６Ｂｅ下電極４′上に形成した場合に
ついて説明し九が、この下電極４′が部に形成しても前
述と同様の効果が得られることは勿論である。I mentioned the next one above! I! Regarding the example layer side, the case where each color filter SR, 6G, and 6Be is formed on the lower electrode 4' will be explained. Of course.
以上説明し念ように本発明によれば、対向配置される透
光性上、下基板の対向面上にそれぞれ互いＫ［交して帯
状に複数の上、下電極を形成し、各下電極の上ま几は下
に一定の繰り返し周期で各色のカラーフィルタを形成す
るとともに該各色のカラーフィルタは大小２種類のパタ
ーンを交互に連結して形成し組み合わせて構成したので
、カラー画像表示の方向性が軽減され、高品質のカラー
表示パターンが得られるという極めて優れ次効果を有す
る。As explained above, according to the present invention, a plurality of upper and lower electrodes are formed in a strip shape on the opposing surfaces of the light-transmitting upper and lower substrates arranged opposite to each other. The upper frame has color filters of each color formed at the bottom at a constant repeating period, and the color filters of each color are constructed by connecting and combining patterns of two types, large and small, so that the direction of color image display can be changed. This has the following excellent effects: the color is reduced, and a high-quality color display pattern can be obtained.
【図面の簡単な説明】
鷹１図（ａ） −Ｔｈ） 、 （ｃ）は本発明にＬるカ
ラー表示液晶表示装置の一実施例を示すそれぞれ要部平
面図。
同図（ａ）のＢ−Ｂ’線の断面図、同図−）のｃ−ｃ’
線の断面図、第２図（ａ） 、 Ｑ））は第１図の上電
極、下電極のパターンをそれぞれ示す平面図、第３図は
第１図の各色カラーフィルタのパターンを示す平面図、
第４図は本発明によるカラー表示液晶表示装置の他の実
施例を示す要部平面図、第５図（ａ） 、 （ｂ） 、
（。）は従来のカラー表示液晶表示装置を示すそれぞ
れ要部平面図、同図（ａ）のＢ−Ｂ’線の断面図、同図
（ａ）のｃ−ｃ’縁の断面図である。
１・・・・上基板、２・・・・下基板、３′・・・・上
電極、３ａ・・・・８角形パターン、３ｂ−―・・４角
形ハターン、４′・・・拳下電極、４ａ・・・・８角形
パターン、４ｂ・・―・４角形パターン、５・・・・液
晶配向膜、６Ｒ・・・・赤色カラーフィルタ、６Ｇ＠Φ
・・緑色カラーフィルタ、６Ｂ・・拳・青色カラーフィ
ルタ、６ａ・・・・８角形パターン、６ｂ・・・−４角
形パターン４６Ｃ・・・・円形パターン、６ｄ−・・・
ひし形パターン、１・・・・シール材、８・・・・ＴＮ
液晶、９・・・・液晶表示素子、１０・・・・上偏光板
、１１・・・・下偏光板。
特許出願人 株式会社小糸製作所
代 埋 人 山川政樹（ほか２名）
第４図
第５図
（ａ） （ｃ）
（ｂ）BRIEF DESCRIPTION OF THE DRAWINGS Figures 1 (a)-Th) and (c) are plan views of essential parts, respectively, showing an embodiment of a color liquid crystal display device according to the present invention. Cross-sectional view taken along line B-B' in the same figure (a), c-c' in the same figure -)
2 (a) and Q)) are plan views showing the patterns of the upper and lower electrodes in Fig. 1, respectively. Fig. 3 is a plan view showing the patterns of the color filters of each color in Fig. 1. ,
FIG. 4 is a plan view of main parts showing another embodiment of a color liquid crystal display device according to the present invention, and FIG. 5(a), (b),
(.) are a plan view of essential parts of a conventional color display liquid crystal display device, a sectional view taken along the line BB' in (a), and a sectional view taken along the edge c-c' in (a) of the same figure. . 1... Upper substrate, 2... Lower substrate, 3'... Upper electrode, 3a... Octagonal pattern, 3b... Quadrilateral pattern, 4'... Lower fist Electrode, 4a...octagonal pattern, 4b...quadrilateral pattern, 5...liquid crystal alignment film, 6R...red color filter, 6G@Φ
...green color filter, 6B...fist, blue color filter, 6a...octagonal pattern, 6b...-quadrilateral pattern 46C...circular pattern, 6d-...
Diamond pattern, 1...Sealing material, 8...TN
Liquid crystal, 9...Liquid crystal display element, 10...Upper polarizing plate, 11...Lower polarizing plate. Patent applicant: Koito Seisakusho Co., Ltd. Representative: Masaki Yamakawa (and 2 others) Figure 4 Figure 5 (a) (c) (b)
Claims (1)
上基板と対向配置されかつ前記上電極と直交して帯状に
形成された複数の下電極を有する下基板と、前記下電極
の上または下に一定の周期の繰り返しで形成配置された
各色のカラーフイルタと、前記上、下基板間に封入され
た液晶とを少なくとも具備してなるカラー表示液晶表示
装置において、前記下電極および各色のカラーフイルタ
を、大小２種類のパターンを交互に連結して形成したこ
とを特徴とするカラー表示液晶表示装置。an upper substrate having a plurality of upper electrodes formed in a strip shape; a lower substrate having a plurality of lower electrodes arranged in a strip shape and facing the upper substrate and perpendicular to the upper electrodes; Alternatively, in a color display liquid crystal display device comprising at least a color filter of each color formed and arranged at a repeating period below, and a liquid crystal sealed between the upper and lower substrates, the lower electrode and the color filter of each color are A color display liquid crystal display device characterized in that a color filter is formed by alternately connecting patterns of two types, large and small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62060211A JPH083588B2 (en) | 1987-03-17 | 1987-03-17 | Color display liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62060211A JPH083588B2 (en) | 1987-03-17 | 1987-03-17 | Color display liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63228132A true JPS63228132A (en) | 1988-09-22 |
| JPH083588B2 JPH083588B2 (en) | 1996-01-17 |
Family
ID=13135591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62060211A Expired - Lifetime JPH083588B2 (en) | 1987-03-17 | 1987-03-17 | Color display liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH083588B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011150345A (en) * | 2010-01-20 | 2011-08-04 | Shenzhen Super Perfect Optics Ltd | Twisted nematic liquid crystal box and 2d/3d display device using the liquid crystal box |
-
1987
- 1987-03-17 JP JP62060211A patent/JPH083588B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011150345A (en) * | 2010-01-20 | 2011-08-04 | Shenzhen Super Perfect Optics Ltd | Twisted nematic liquid crystal box and 2d/3d display device using the liquid crystal box |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH083588B2 (en) | 1996-01-17 |
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