JPH02138725U - - Google Patents
Info
- Publication number
- JPH02138725U JPH02138725U JP4719189U JP4719189U JPH02138725U JP H02138725 U JPH02138725 U JP H02138725U JP 4719189 U JP4719189 U JP 4719189U JP 4719189 U JP4719189 U JP 4719189U JP H02138725 U JPH02138725 U JP H02138725U
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- light guide
- display device
- crystal display
- light
- 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.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims description 9
- 210000002858 crystal cell Anatomy 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図は本考案による液晶表示装置の一実施例
を示す概略断面図、第２図Ａは第１図の実施例に
おけるライトガイドの光拡散粒子の濃度分布をま
たはＢはバツク照明の光量分布を示すグラフであ
る。第３図は従来の液晶表示装置の一例を示す概
略断面図である。
１０……液晶表示装置、１１……液晶セル、１
２……ライトガイド、１３……光源、１４……透
明板、１５……反射層、１６……光拡散粒子。
FIG. 1 is a schematic cross-sectional view showing an embodiment of the liquid crystal display device according to the present invention, FIG. 2 A shows the concentration distribution of light diffusing particles of the light guide in the embodiment of FIG. 1, and FIG. 2 B shows the light intensity distribution of back lighting. This is a graph showing. FIG. 3 is a schematic cross-sectional view showing an example of a conventional liquid crystal display device. 10...Liquid crystal display device, 11...Liquid crystal cell, 1
2... Light guide, 13... Light source, 14... Transparent plate, 15... Reflective layer, 16... Light diffusing particles.
Claims (1)
て下面に反射層が備えられている透明材料から成
るライトガイドと、ライトガイドの側方に配設さ
れた光源とを含んでいる透過型液晶表示装置にお
いて、 上記ライトガイドの内部に、上記光源が対向し
ている側面から他方の側面に向かつて徐々に濃度
が高くなるように、光拡散粒子が分散して混入さ
れていることを特徴とする、液晶表示装置。[Claims for Utility Model Registration] A liquid crystal cell, a light guide made of a transparent material disposed below the liquid crystal cell and provided with a reflective layer on the lower surface, and a light guide disposed on the side of the light guide. In a transmissive liquid crystal display device including a light source, light diffusing particles are dispersed inside the light guide so that the concentration gradually increases from the side facing the light source to the other side. A liquid crystal display device characterized in that the liquid crystal display device is mixed with:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4719189U JPH02138725U (en) | 1989-04-21 | 1989-04-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4719189U JPH02138725U (en) | 1989-04-21 | 1989-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02138725U true JPH02138725U (en) | 1990-11-20 |
Family
ID=31562910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4719189U Pending JPH02138725U (en) | 1989-04-21 | 1989-04-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02138725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0386325U (en) * | 1989-12-22 | 1991-08-30 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5336199A (en) * | 1976-09-16 | 1978-04-04 | Seiko Epson Corp | Light guide plate for lighting of liquid crystal display device |
-
1989
- 1989-04-21 JP JP4719189U patent/JPH02138725U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5336199A (en) * | 1976-09-16 | 1978-04-04 | Seiko Epson Corp | Light guide plate for lighting of liquid crystal display device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0386325U (en) * | 1989-12-22 | 1991-08-30 |