JPH02134585U - - Google Patents
Info
- Publication number
- JPH02134585U JPH02134585U JP4250089U JP4250089U JPH02134585U JP H02134585 U JPH02134585 U JP H02134585U JP 4250089 U JP4250089 U JP 4250089U JP 4250089 U JP4250089 U JP 4250089U JP H02134585 U JPH02134585 U JP H02134585U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting diode
- luminous efficiency
- diode chips
- chips
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000011159 matrix material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
第１図ａ，ｂは本考案による発光ダイオード表
示器の一実施例を示す発光ダイオードの前方から
見た平面図、同図ａのＡ−Ａ′線の断面図、第２
図は第１図の発光ダイオードの等価回路図、第３
図および第４図は本考案による発光ダイオード表
示器の他の実施例を示す発光ダイオードの断面図
、第５図およびび第６図は本考案に係わる発光ダ
イオードの各発光ダイオードチツプの配列構造を
示す平面図、第７図は本考案による発光ダイオー
ド表示器の構成を示す断面図、第８図は従来の発
光ダイオード表示器の構成を示す断面図、第９図
は従来の発光ダイオード表示器の構成を示す前方
から見た平面図である。
１……表示面、２……発光ダイオード表示器、
３ｒ……赤色発光ダイオードチツプ、３ｙ１，３
ｙ２……黄緑色発光ダイオードチツプ、５ａ，５
ｂ，５ｃ……電極、６ａ，６ｂ，６ｃ……ボンデ
イングワイヤ、７ｒ，７ｒ′……赤色発光出力、
７ｙ１，７ｙ１′，７ｙ２，７ｙ２′……黄緑色
発光出力、８……遮光板、９……太陽光線、１０
……利用者、１１，１１Ａ，１１Ｂ，１１Ｃ，１
１Ｄ……発光ダイオード、１２……透明樹脂レン
ズ、１３……光反射板、１３ａ……凸部。
1A and 1B are a plan view of a light emitting diode according to an embodiment of the present invention as seen from the front, a sectional view taken along the line A-A' in FIG.
The figure shows the equivalent circuit diagram of the light emitting diode in Figure 1, and Figure 3.
4 and 4 are cross-sectional views of light emitting diodes showing other embodiments of the light emitting diode display according to the present invention, and FIGS. 5 and 6 show the arrangement structure of each light emitting diode chip of the light emitting diode according to the present invention. 7 is a sectional view showing the structure of a light emitting diode display according to the present invention, FIG. 8 is a sectional view showing the structure of a conventional light emitting diode display, and FIG. 9 is a cross sectional view showing the structure of a conventional light emitting diode display. FIG. 3 is a plan view of the configuration seen from the front. 1... Display surface, 2... Light emitting diode display,
3r...Red light emitting diode chip, 3y 1,3
y 2 ... Yellow-green light emitting diode chip, 5a, 5
b, 5c... Electrode, 6a, 6b, 6c... Bonding wire, 7r, 7r'... Red light emitting output,
7y 1 , 7y 1 ′, 7y 2 , 7y 2 ′ ... Yellow-green light emission output, 8 ... Light shielding plate, 9 ... Sunlight, 10
...User, 11, 11A, 11B, 11C, 1
1D...Light emitting diode, 12...Transparent resin lens, 13...Light reflecting plate, 13a...Convex portion.
Claims (1)
内に封入してなる発光ダイオードを表示ドツトと
してマトリツクス状に配設し、前記発光ダイオー
ドの発光出力側表示面の周囲に遮光板を前記発光
ダイオードの前端よりも前方に配設した発光ダイ
オード表示器において、前記透明レンズ内の中央
部に発光効率の高い発光ダイオードチツプを配設
し、前記発光効率の高い発光ダイオードチツプの
周辺部に前記発光効率の高い発光ダイオードチツ
プよりも発光効率の低い発光ダイオードチツプを
複数配設して前記発光効率の低い発光ダイオード
チツプを並列接続するとともに前記発光効率の高
い発光ダイオードチツプと直列接続したことを特
徴とする発光ダイオード表示器。 (2) 請求項１において、前記発光ダイオードチ
ツプを配線する複数の電極を、前記発光ダイオー
ドチツプの配列からずらせて配置したことを特徴
とする発光ダイオード表示器。 (3) 請求項１において、前記発光ダイオードチ
ツプを、前記発光ダイオードチツプを配線する複
数の電極の配列からずらせて配置したことを特徴
とする発光ダイオード表示器。 (4) 請求項１において、前記透明レンズの先端
から中央部の発光効率の高い発光ダイオードチツ
プ表面までの距離を、周辺部の発光効率の低い発
光ダイオードチツプ表面までの距離よりも短かく
したことを特徴とする発光ダイオード表示器。[Claims for Utility Model Registration] (1) Light emitting diodes consisting of a plurality of light emitting diode chips sealed in a transparent lens are arranged in a matrix as display dots, and around the display surface on the light emitting output side of the light emitting diodes. In a light emitting diode display device in which a light shielding plate is disposed in front of the front end of the light emitting diode, a light emitting diode chip with high luminous efficiency is disposed in the center part within the transparent lens, and the light emitting diode chip with high luminous efficiency is A plurality of light emitting diode chips having a lower luminous efficiency than the light emitting diode chips having a high luminous efficiency are arranged in the peripheral area, and the light emitting diode chips having a low luminous efficiency are connected in parallel and connected in series with the light emitting diode chips having a high luminous efficiency. A light emitting diode display device characterized by: (2) The light emitting diode display device according to claim 1, wherein the plurality of electrodes for wiring the light emitting diode chips are arranged offset from the arrangement of the light emitting diode chips. (3) The light emitting diode display device according to claim 1, wherein the light emitting diode chips are arranged offset from the arrangement of the plurality of electrodes wiring the light emitting diode chips. (4) In claim 1, the distance from the tip of the transparent lens to the surface of the light emitting diode chip with high luminous efficiency in the central part is shorter than the distance to the surface of the light emitting diode chip with low luminous efficiency in the peripheral part. A light emitting diode indicator featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989042500U JPH079188Y2 (en) | 1989-04-13 | 1989-04-13 | Light emitting diode indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989042500U JPH079188Y2 (en) | 1989-04-13 | 1989-04-13 | Light emitting diode indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02134585U true JPH02134585U (en) | 1990-11-08 |
| JPH079188Y2 JPH079188Y2 (en) | 1995-03-06 |
Family
ID=31554096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989042500U Expired - Fee Related JPH079188Y2 (en) | 1989-04-13 | 1989-04-13 | Light emitting diode indicator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079188Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6358288U (en) * | 1986-10-01 | 1988-04-18 |
-
1989
- 1989-04-13 JP JP1989042500U patent/JPH079188Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6358288U (en) * | 1986-10-01 | 1988-04-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH079188Y2 (en) | 1995-03-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |