JPH01130182A - Led display lamp - Google Patents
Led display lampInfo
- Publication number
- JPH01130182A JPH01130182A JP28996187A JP28996187A JPH01130182A JP H01130182 A JPH01130182 A JP H01130182A JP 28996187 A JP28996187 A JP 28996187A JP 28996187 A JP28996187 A JP 28996187A JP H01130182 A JPH01130182 A JP H01130182A
- Authority
- JP
- Japan
- Prior art keywords
- yellow
- green
- led
- display
- 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.)
- Pending
Links
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 239000003086 colorant Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は光源にＬＥＤを用いた表示灯に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an indicator light using an LED as a light source.
第３図は従来のＬＥＤ表示灯を示す分解斜視図であり、
図中（１）はＬＥＤ表示灯ケース、（２）はマトリクス
状に配列され上記ケース（１） に収容されたＬＥＤチ
ップで、（２ａ）は赤色用ＬＥＤチップ、（２ｂ）は緑
色用ＬＥＤチップを示す。（３） はこれら各ＬＥＤチ
ップ（２ａ） （２ｂ）の電源端子で、（３ａ）は赤色
ＬＥＤ用電源端子、（３ｂ）は緑色ＬＥＤ用電源端子、
（３Ｃ）は共通電源端子を示す。（４）は上記ＬＥＤチ
ップ（２）の前面に配置された乳白色名板（５）はその
裏面に配置された文字フィルムである。第４図は上記構
成を有する従来装置の赤、緑チップ点灯、状態における
ＬＥＤ表示灯の表示色を表にして示す説明図であり、電
源端子（３ａ）、（３ｃ）に電源を印加すると赤色表示
、電源端子（３ｂ）、（３Ｃ）に電源を印゛加すると緑
色表示、電源端子（３ａ）、（３ｂ）、（３Ｃ）に電源
を印加すると黄色表示となることを表わしている。FIG. 3 is an exploded perspective view showing a conventional LED indicator light.
In the figure, (1) is an LED indicator case, (2) is an LED chip arranged in a matrix and housed in the case (1), (2a) is a red LED chip, and (2b) is a green LED chip. shows. (3) is the power supply terminal for each of these LED chips (2a) (2b), (3a) is the power supply terminal for the red LED, (3b) is the power supply terminal for the green LED,
(3C) indicates a common power supply terminal. (4) The milky white name plate (5) placed on the front side of the LED chip (2) is a character film placed on the back side thereof. FIG. 4 is an explanatory diagram showing in a table the display colors of the LED indicator light in the red and green chip lighting states of the conventional device having the above configuration, and when power is applied to the power terminals (3a) and (3c) The display indicates that when power is applied to the power terminals (3b) and (3C), the display becomes green, and when power is applied to the power terminals (3a), (3b), and (3C), the display becomes yellow.
（発明が解決しようとする問題点〕
従来の３色色度えのＬＥＤ表示灯は以上のように構成さ
れているので、赤色時には文字フィルムの黒文字が見ｅ
＜＜、緑色時には輝度不足であるなどの問題点があった
。(Problem to be solved by the invention) Since the conventional three-color LED indicator light is configured as described above, the black characters on the character film cannot be seen when the color is red.
<<, there were problems such as insufficient brightness when green.
この発明は上記のような問題点を解消するためになされ
たもので、文字フィルムの黒文字を見やすく、緑色時の
輝度不足を解消することのできるＬＥＤ表示灯を得るこ
とを目的とする。This invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide an LED indicator lamp that makes it easy to see the black characters on the character film and can eliminate the lack of brightness when the color is green.
この発明に係るＬＥＤ表示灯は赤色用ＬＥＤチップの１
部を黄色用ＬＥＤチップに置きかえ、赤色、緑色、黄色
ＬＥＤの３種類のＬＥＤチップをＬＥＤ表示灯内に内蔵
したものであり、黄色用の電源端子を追加したものであ
る。The LED indicator light according to the present invention is one of the red LED chips.
The LED indicator is replaced with a yellow LED chip, and three types of LED chips, red, green, and yellow LEDs are built into the LED indicator light, and a yellow power supply terminal is added.
この発明においては、赤色用ＬＥＤチップと黄色用ＬＥ
Ｄチップの点灯により橙色、緑色用ＬＥＤチップと黄色
用ＬＥＤチップの点灯により黄緑色、赤色用ＬＥＤチッ
プと黄色用ＬＥＤチップおよび緑色用ＬＥＤチップの点
灯により白に近い色度を有する黄橙とすることにより、
文字フィルムの黒文字、緑色の輝度不足を解消したもの
である。In this invention, a red LED chip and a yellow LED chip are used.
When the D chip lights up, it becomes orange, when the green LED chip and yellow LED chip light up, it becomes yellow-green, and when the red LED chip, yellow LED chip, and green LED chip light up, it becomes yellow-orange with a chromaticity close to white. By this,
This solves the problem of the lack of brightness in the black characters and green on the character film.
以下、第１図の一実施例に基づいてこの発明を説明する
。図において、（１）はＬＥＤ表示灯ケース、（２）は
マトリクス状に配列され上記ケース（１）に収容された
ＬＥＤチップで、（２ａ）は赤色用ＬＥＤチップ、（２
ｂ）は緑色用ＬＥＤチップ、（２Ｃ）は黄色用ＬＥＤチ
ップを示す。（３）はこれら各ＬＥＤチップ（２ａ）、
（２ｂ）、（２Ｃ）の電源端子で、（３ａ）は赤ＬＥＤ
用電源端子、（３ｂ）は緑ＬＥＤ用電源端子、（３ｄ）
は黄ＬＥＤ用電源端子、（３Ｃ）は共通電源端子を示す
。（４）は乳白色名板、（５）は文字フィルムである。The present invention will be explained below based on an embodiment shown in FIG. In the figure, (1) is an LED indicator case, (2) is an LED chip arranged in a matrix and housed in the case (1), (2a) is a red LED chip, and (2) is an LED chip for red color.
b) shows a green LED chip, and (2C) shows a yellow LED chip. (3) are each of these LED chips (2a),
(2b), (2C) power terminal, (3a) is red LED
(3b) is the power supply terminal for the green LED, (3d) is the power supply terminal for the green LED.
indicates the yellow LED power supply terminal, and (3C) indicates the common power supply terminal. (4) is a milky name plate, and (5) is a letter film.
第２図はこの実施例の赤、緑、黄チップ点灯状態に招け
るＬＥＤ表示灯の表示色を表にして示す説明図であり、
電源端子（３ａ）、（３Ｃ）及び（３ｄ）、（３Ｃ）に
電源を印加すると橙色表示、電源端子（３ｂ）、（３Ｃ
）及び（３ｄ）、（３Ｃ）に電源を印加すると黄緑色表
示、（３ａ）、（３ｂ）、（３ｄ）、（３Ｃ）に電源を
印加すると国際照明委員会の色度図で最も白に近い色度
を有する黄橙色表示となる。FIG. 2 is an explanatory diagram showing in a table the display colors of the LED indicator lamps that lead to the red, green, and yellow chip lighting states of this embodiment,
When power is applied to the power terminals (3a), (3C) and (3d), (3C), the display turns orange, and the power terminals (3b), (3C)
), (3d), and (3C), the display becomes yellow-green, and when power is applied to (3a), (3b), (3d), and (3C), the display becomes the whitest color in the chromaticity diagram of the International Commission on Illumination. A yellow-orange display with similar chromaticity is obtained.
なお、上記実施例では赤色、緑色、黄色のそれぞれのＬ
ＥＤに独立して端子を設けたが赤色、黄色で１＠子、緑
色、黄色で１端子としてもよい。In addition, in the above example, each of red, green, and yellow L
Although the ED is provided with an independent terminal, one terminal may be provided for red and yellow, and one terminal may be provided for green and yellow.
また文字フィルムは省略して名板に直接記入してもよい
。Alternatively, you may omit the letter film and write directly on the name plate.
（発明の効果）
以上のように、この発明によれば赤、緑、黄ＬＥＤをＬ
ＥＤ表示灯に内蔵したので、表示灯の文字フィルムの黒
文字が見やすく、また黄緑色表示時の輝度も充分なもの
が得られる効果がある。(Effect of the invention) As described above, according to this invention, red, green, and yellow LEDs can be
Since it is built into the ED indicator light, the black characters on the character film of the indicator light are easy to see, and sufficient brightness can be obtained when displaying yellow-green.
第１図はこの発明の一実施例によるＬＥＤ表示灯の分解
斜視図、第２図はこの表示灯のチップ点灯状態における
表示色の関係を示す説明図、第３図は従来のＬＥＤ表示
灯を示す第１図相当図、第４図は従来の表示灯のチップ
点灯状態における表示色の関係を示す第２図相当図であ
る。（１）はＬＥＤ表示灯ケース、（２）はＬＥＤチッ
プ、（２ａ）は赤色用ＬＥＤチップ、（２ｂ）は緑色用
ＬＥＤチップ、（２Ｃ）は黄色用ＬＥＤチップ、（３）
は電源端子、（３ａ）は赤ＬＥＤ用電源端子、（３ｂ）
は緑ＬＥＤ用電源端子、（３ｄ）は黄ＬＥＤ用電源端子
、（３Ｃ）は共通電源端子、（４）は乳白色名板（透光
性名板）、（５）は文字フィルムである。
なお、図中、同一符号は同一、又は相当部分を示す。Fig. 1 is an exploded perspective view of an LED indicator lamp according to an embodiment of the present invention, Fig. 2 is an explanatory diagram showing the relationship of display colors in the chip lighting state of this indicator lamp, and Fig. 3 is an illustration of a conventional LED indicator lamp. FIG. 4 is a diagram corresponding to FIG. 1, and FIG. 4 is a diagram corresponding to FIG. 2, which shows the relationship between display colors of a conventional indicator lamp in a chip lighting state. (1) is an LED indicator case, (2) is an LED chip, (2a) is a red LED chip, (2b) is a green LED chip, (2C) is a yellow LED chip, (3)
is the power terminal, (3a) is the power terminal for red LED, (3b)
(3d) is the power supply terminal for the green LED, (3C) is the common power supply terminal, (4) is the milky white name plate (translucent name plate), and (5) is the character film. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (2)
ＥＤチップ、黄色用ＬＥＤチップ、緑色用ＬＥＤチップ
をマトリクス状に複数内蔵してこれらＬＥＤの光の合成
により、橙、黄緑、および白に近い色度を有する黄橙の
色変えをできるよう構成したことを特徴とするＬＥＤ表
示灯。(1) Inside the indicator light with a translucent name plate on the front, there is an L for red color.
It is configured to have multiple built-in ED chips, yellow LED chips, and green LED chips in a matrix, and by combining the light from these LEDs, it is possible to change the color between orange, yellow-green, and yellow-orange with a chromaticity close to white. An LED indicator light that is characterized by:
のＬＥＤチップよりも多く点在するよう配分されている
ことを特徴とする特許請求の範囲第１項記載のＬＥＤ表
示灯。(2) The LED indicator light according to claim 1, wherein each of the LEDs is distributed such that green LED chips are scattered more than the other two LED chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28996187A JPH01130182A (en) | 1987-11-16 | 1987-11-16 | Led display lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28996187A JPH01130182A (en) | 1987-11-16 | 1987-11-16 | Led display lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01130182A true JPH01130182A (en) | 1989-05-23 |
Family
ID=17749973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28996187A Pending JPH01130182A (en) | 1987-11-16 | 1987-11-16 | Led display lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01130182A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007114310A (en) * | 2005-10-18 | 2007-05-10 | Tohnichi Mfg Co Ltd | Display device and inspection device |
-
1987
- 1987-11-16 JP JP28996187A patent/JPH01130182A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007114310A (en) * | 2005-10-18 | 2007-05-10 | Tohnichi Mfg Co Ltd | Display device and inspection device |
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