JPH02780Y2 - - Google Patents
Info
- Publication number
- JPH02780Y2 JPH02780Y2 JP1984016510U JP1651084U JPH02780Y2 JP H02780 Y2 JPH02780 Y2 JP H02780Y2 JP 1984016510 U JP1984016510 U JP 1984016510U JP 1651084 U JP1651084 U JP 1651084U JP H02780 Y2 JPH02780 Y2 JP H02780Y2
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- light diffusion
- emitting diode
- light
- protective sheet
- 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.)
- Expired
Links
- 238000009792 diffusion process Methods 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 23
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Description
【考案の詳細な説明】
(イ) 産業上の利用分野
本考案は表面に光拡散シートを貼着した発光ダ
イオード表示器に関する。[Detailed description of the invention] (a) Industrial application field The present invention relates to a light emitting diode display device having a light diffusion sheet attached to the surface thereof.
(ロ) 従来技術
従来、例えば実開昭53−53983号公報にて知ら
れる発光ダイオード表示器は、第１図に示すよう
に発光ダイオード１１を囲む反射枠１３の表面に
光拡散シート１４を貼着して表示面を形成してい
る。そしてこのような発光ダイオード表示器は、
前面に透明保護パネルがあるか又は光拡散シート
１４が露出するように装置等に取り付けられる
が、いずれにしても光拡散シート１４の表面が直
接又は間接にそのまま表示面となるため、搬送中
又は取付作業中に表示面が傷つかないように、剥
離可能な保護シート１５を光拡散シート１４の表
面に貼着している。(b) Prior Art Conventionally, a light-emitting diode display device known, for example, from Japanese Utility Model Application Publication No. 53-53983, has a light-diffusing sheet 14 pasted on the surface of a reflective frame 13 surrounding a light-emitting diode 11, as shown in FIG. The display surface is formed by covering the surface of the display surface. And such a light emitting diode display is
There is a transparent protection panel on the front or the light diffusion sheet 14 is attached to the device so as to be exposed, but in any case, the surface of the light diffusion sheet 14 directly or indirectly serves as a display surface, so it may not be possible to A removable protective sheet 15 is attached to the surface of the light diffusing sheet 14 so that the display surface is not damaged during installation work.
ところが、この保護シート１５は、光拡散シー
ト１４と同質もしくは類似のシートであるから、
剥離作業に手間取ることがよく起こる上に、保護
シート１５をつけた状態でも一応の発光ダイオー
ド１１の点灯状態を確認できるよう無色又は淡色
の透明シートとしてあり、光拡散シート１４はコ
ントラストや表示品質向上の為に発光色又はグレ
ー系の色に着色してあるから、保護シート１５が
剥離済かまだ残つているか見分けにくいという問
題が生じた。そこで、端部に於て保護シート１５
の粘着層１５′の欠除部１５″を設けていたが、粘
着層１５′の部分塗布は面倒な上に、剥離作業を
ユーザーに依託すると作業ミスが発生した。 However, since the protective sheet 15 is the same or similar to the light diffusion sheet 14,
In addition to the fact that the peeling process often takes time, the sheet is a colorless or light-colored transparent sheet so that the lighting status of the light emitting diode 11 can be checked even with the protective sheet 15 attached, and the light diffusion sheet 14 is used to improve contrast and display quality. Since the protective sheet 15 is colored in a luminescent color or a gray color, a problem arises in that it is difficult to distinguish whether the protective sheet 15 has been peeled off or still remains. Therefore, the protective sheet 15
However, partial application of the adhesive layer 15' was troublesome, and if the peeling work was entrusted to the user, a work error occurred.
(ハ) 考案の目的
本考案は上記欠点を改め、保護シート付光拡散
シートも製造しやすく、保護シートの存否が判別
しやすく、かつ保護シートの剥離作業が行ないや
すい発光ダイオード表示器に関する。(c) Purpose of the invention The present invention corrects the above-mentioned drawbacks and relates to a light-emitting diode display device in which a light diffusion sheet with a protective sheet is easy to manufacture, the presence or absence of a protective sheet is easy to determine, and the work of peeling off the protective sheet is easy to perform.
(ニ) 考案の構成
本考案は上述の光拡散シートの表面と保護シー
トの粘着層との間の一部分、好ましくは端部に粘
着層をもたない着色シートをはさみこんだもの
で、以下本考案を実施例に基づいて詳細に説明す
る。(d) Structure of the invention The present invention is one in which a colored sheet without an adhesive layer is sandwiched between the surface of the above-mentioned light diffusion sheet and the adhesive layer of the protective sheet, preferably at the edge. The invention will be explained in detail based on examples.
(ホ) 実施例
第２図は本考案実施例の発光ダイオード表示器
の断面図である。図に於て、１は基板２、リード
フレーム等に配置された発光ダイオードで、反射
枠３、ケースユニツト等で囲まれている。４は裏
面に接着層4′を有し発光ダイオード１の上方を覆
うように反射枠３等に貼着された光拡散シート
で、例えば乳化もしくは光拡散剤が混練してあ
り、発光色もしくは灰色系の色に着色してある。
５は、裏面に剥離可能な粘着層５′を有し、光拡
散シート４の表面に粘着された保護シートで、生
地の色即ち無色又は淡灰色を呈している。６は保
護シート５の粘着層５′と光拡散シート４の表面
の間に部分的に挾持された例えば青色の着色シー
トである。(E) Embodiment FIG. 2 is a sectional view of a light emitting diode display according to an embodiment of the present invention. In the figure, 1 is a light emitting diode arranged on a substrate 2, a lead frame, etc., and is surrounded by a reflective frame 3, a case unit, etc. 4 is a light diffusion sheet which has an adhesive layer 4' on the back side and is attached to the reflective frame 3 etc. so as to cover the upper part of the light emitting diode 1. For example, it is emulsified or kneaded with a light diffusion agent, and has a luminescent color or gray color. It is colored in the same color.
5 is a protective sheet which has a peelable adhesive layer 5' on the back side and is adhered to the surface of the light diffusion sheet 4, and has the color of the fabric, that is, colorless or light gray. 6 is a colored sheet, for example, blue, which is partially sandwiched between the adhesive layer 5' of the protective sheet 5 and the surface of the light diffusion sheet 4.
上述の例において、光拡散シート４（例えばポ
リエステル）と保護シート５（例えばポリエチレ
ン）のそれぞれ裏面全面に接着剤及び粘着剤を塗
布し、ラミネート時に帯状着色シート６を一緒に
挾持して重ね合わせた上所望形状に切断すれば保
護シート付光拡散シートが容易に提供できる。ま
た着色シート６は保護シート５にその粘着剤５′
で貼着しているので、光拡散シート４と着色シー
ト６（又は着色シート６と光拡散シート４の混合
色）の色相差で保護シート６の存否は極めて容易
に判断出来る。さらに着色シート６は光拡散シー
ト４には貼着されていないから、着色シート６の
部分から剥離すれば保護シート５の剥離作業は楽
に行なえ、またこの為には着色シート６は保護シ
ート５の端部にある方がより好ましい。しかし他
のシート４，５からはみ出すと取付等作業中に保
護シート５が浮いてすき間に埃等が入り、表示面
を汚染しやすいから、着色シート６ははみ出さな
い方がよい。 In the above example, an adhesive and a pressure-sensitive adhesive were applied to the entire back surface of the light diffusion sheet 4 (for example, polyester) and the protective sheet 5 (for example, polyethylene), and the strip-shaped colored sheet 6 was sandwiched and stacked together during lamination. A light diffusion sheet with a protective sheet can be easily provided by cutting it into a desired shape. In addition, the colored sheet 6 is attached to the protective sheet 5 with its adhesive 5'.
Therefore, the presence or absence of the protective sheet 6 can be determined very easily based on the hue difference between the light diffusion sheet 4 and the colored sheet 6 (or the mixed color of the colored sheet 6 and the light diffusion sheet 4). Furthermore, since the colored sheet 6 is not attached to the light diffusion sheet 4, the protective sheet 5 can be easily removed by peeling it off from the colored sheet 6. It is more preferable to have it at the end. However, if the protective sheet 5 protrudes from the other sheets 4 and 5, the protective sheet 5 will float during installation and other operations, allowing dust to enter the gaps and contaminating the display surface, so it is better not to protrude the colored sheet 6.
(ヘ) 考案の効果
以上の如く本考案は、発光ダイオードの上方を
覆う光拡散シートと、光拡散シートの表面に貼着
された保護シートと、保護シートの粘着層と光拡
散シート表面の間に部分的に挾持された着色シー
トとを具備した発光ダイオード表示器であるか
ら、シートは製造しやすく保護シートの取扱いが
容易である。(f) Effect of the invention As described above, the invention provides a light diffusion sheet that covers the upper part of the light emitting diode, a protection sheet attached to the surface of the light diffusion sheet, and a space between the adhesive layer of the protection sheet and the surface of the light diffusion sheet. Since it is a light emitting diode display comprising a colored sheet partially sandwiched between the sheets, the sheet is easy to manufacture and the protective sheet is easy to handle.
第１図は従来の表示器の断面図、第２図は本考
案実施例の発光ダイオード表示器の断面図であ
る。
１……発光ダイオード、４……光拡散シート、
５……保護シート、５′……粘着層、６……着色
シート。
FIG. 1 is a sectional view of a conventional display, and FIG. 2 is a sectional view of a light emitting diode display according to an embodiment of the present invention. 1...Light emitting diode, 4...Light diffusion sheet,
5... Protective sheet, 5'... Adhesive layer, 6... Colored sheet.
Claims (1)
光拡散シートの表面に貼着された保護シートと、
保護シートの粘着層と光拡散シート表面の間に部
分的に挾持された着色シートとを具備した事を特
徴とする発光ダイオード表示器。 a light diffusion sheet covering above the light emitting diode;
A protective sheet affixed to the surface of the light diffusion sheet,
A light emitting diode display device comprising a colored sheet partially sandwiched between an adhesive layer of a protective sheet and a surface of a light diffusion sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984016510U JPS60128390U (en) | 1984-02-07 | 1984-02-07 | light emitting diode display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984016510U JPS60128390U (en) | 1984-02-07 | 1984-02-07 | light emitting diode display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60128390U JPS60128390U (en) | 1985-08-28 |
| JPH02780Y2 true JPH02780Y2 (en) | 1990-01-10 |
Family
ID=30503348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984016510U Granted JPS60128390U (en) | 1984-02-07 | 1984-02-07 | light emitting diode display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60128390U (en) |
-
1984
- 1984-02-07 JP JP1984016510U patent/JPS60128390U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60128390U (en) | 1985-08-28 |
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