JPS6269282U - - Google Patents
Info
- Publication number
- JPS6269282U JPS6269282U JP16156885U JP16156885U JPS6269282U JP S6269282 U JPS6269282 U JP S6269282U JP 16156885 U JP16156885 U JP 16156885U JP 16156885 U JP16156885 U JP 16156885U JP S6269282 U JPS6269282 U JP S6269282U
- Authority
- JP
- Japan
- Prior art keywords
- light
- guide plate
- light guide
- display board
- insulating member
- 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
- 238000005286 illumination Methods 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Description
第１図は本考案の第１の実施例に係る表示板照
明装置を組立て状態で示す斜視図、第２図は第１
図に示された表示板照明装置の断面図、第３図は
導光板の穴に嵌合される円筒状の断熱部材の変形
例を示す斜視図、第４図は本考案の第２の実施例
に係る表示板照明装置を示す斜視図、第５図は第
４図の表示板照明装置に用いられる断熱部材を示
す斜視図、第６図は本考案の第３の実施例を示す
斜視図、第７図は本考案の第４の実施例を示す斜
視図、第８図は本考案の第５の実施例を示す部分
的な断面図、第９図は従来の表示板照明装置を組
立て状態で示す斜視図、第１０図は第９図に示さ
れた従来の表示板照明装置の断面図である。
１……液晶表示パネル、２……カラーシート、
３……導光板、４……反射枠、５……回路基板、
６……開口、７……白熱電球、１０，１２，１３
，１４，１５……断熱部材、１１……透光性着色
層。なお、図中同一符号は同一部分又は相当部分
を示す。
FIG. 1 is a perspective view showing an assembled display board illumination device according to a first embodiment of the present invention, and FIG.
3 is a perspective view showing a modified example of the cylindrical heat insulating member fitted into the hole of the light guide plate, and FIG. 4 is a second embodiment of the present invention. FIG. 5 is a perspective view showing a heat insulating member used in the display board lighting device of FIG. 4, and FIG. 6 is a perspective view showing a third embodiment of the present invention. , FIG. 7 is a perspective view showing a fourth embodiment of the present invention, FIG. 8 is a partial cross-sectional view showing a fifth embodiment of the present invention, and FIG. 9 is an assembled view of a conventional display board illumination device. FIG. 10 is a sectional view of the conventional display panel illumination device shown in FIG. 9. 1...Liquid crystal display panel, 2...Color sheet,
3...Light guide plate, 4...Reflection frame, 5...Circuit board,
6...Opening, 7...Incandescent light bulb, 10, 12, 13
, 14, 15...Insulating member, 11...Transparent colored layer. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
表示板の背面に配置された導光板などからなり、
前記導光板の採光面部に白熱電球を配置し、この
白熱電球の光を前記採光面部から入光して拡散さ
せ、この拡散光を散乱反射させて前記表示パター
ンを透過照明する表示板照明装置において、前記
導光板の採光面部と前記白熱電球との間に耐熱性
および透光性を有する断熱部材を設け、該断熱部
材と前記導光板の採光面部との間に透光性着色層
を設けたことを特徴とする表示板照明装置。 It consists of a display board with a translucent display pattern, a light guide plate placed on the back of the display board, etc.
In a display board illumination device, an incandescent light bulb is disposed on a light-collecting surface portion of the light guide plate, light from the incandescent light bulb enters from the light-collecting surface portion and is diffused, and the diffused light is scattered and reflected to transmit and illuminate the display pattern. , a heat-resistant and translucent heat insulating member is provided between the light guide plate's light guide plate and the incandescent light bulb, and a light transmitting colored layer is provided between the heat insulating member and the light guide plate's light guide plate. A display board lighting device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16156885U JPS6269282U (en) | 1985-10-21 | 1985-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16156885U JPS6269282U (en) | 1985-10-21 | 1985-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6269282U true JPS6269282U (en) | 1987-04-30 |
Family
ID=31087998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16156885U Pending JPS6269282U (en) | 1985-10-21 | 1985-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6269282U (en) |
-
1985
- 1985-10-21 JP JP16156885U patent/JPS6269282U/ja active Pending
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