CN2377649Y - Luminous character plate - Google Patents
Luminous character plate Download PDFInfo
- Publication number
- CN2377649Y CN2377649Y CN 99212675 CN99212675U CN2377649Y CN 2377649 Y CN2377649 Y CN 2377649Y CN 99212675 CN99212675 CN 99212675 CN 99212675 U CN99212675 U CN 99212675U CN 2377649 Y CN2377649 Y CN 2377649Y
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- CN
- China
- Prior art keywords
- layer
- guide plate
- light
- light guide
- character
- 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 - Fee Related
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Abstract
The utility model discloses a luminous character plate which comprises a permeation type uniform light layer, a light guiding plate provided with a light source at least at one side, and a perfect reflection layer which are orderly ranged. The utility model is characterized in that the top surface of the uniform light layer is provided with a character layer, a reflection type uniform light layer is also arranged between the light guiding plate and the perfect reflection layer, the light source which is adopted with injection electroluminescence semiconductor is embedded at the side edge of the light guiding plate, and the periphery of the light guiding plate is provided with a retroreflect layer. The utility model has the advantages of compact structure, high utilization rate, uniform brightness and low manufacture cost.
Description
The utility model relates to a kind of luminous advertisement that utilizes electroluminescence, specifically a kind of character emitting board.
Existing lamp box advertisement utilizes the irradiation of light in the lamp box to make character luminous, and casing is comparatively heavy, influences attractive in appearance.Other has a kind of LCD backlight, the technical scheme that is disclosed as Chinese patent 96242540.0 utility model patent instructionss, it mainly is made up of light guide plate, trnaslucent materials plate, reflectorized material box and light source, light guide plate is a light-transmitting materials, the end face of light guide plate is a tabular surface, and light guide plate places between trnaslucent materials plate and the reflectorized material box, and the basal surface of light guide plate is layer wave lines gradually, the reflectorized material box contains around the light guide plate and basal surface, and light source places light guide plate one side.This backlight mainly is used as the internal light source of LCD, kind and placement location to light source are less demanding, general light emitting diode or the bulb of adopting directly is placed in the limit groove of reflectorized material box, form certain clearance between light source and the light guide plate, because light can produce refraction when passing the different medium surface, and light is decayed in air comparatively fast, influences the illuminance and the equal luminosity of backlight; For improving even light effect, this backlight is designed to gradually layer wave lines at the basal surface of light guide plate, and its structure and making are comparatively complicated.
The purpose of this utility model is to provide a kind of simple in structure, easy to make, all the good character emitting board of luminosity.
The purpose of this utility model is achieved in that the character emitting board, comprise the even photosphere of the through mode that is arranged in order, have at least a side to be provided with the light guide plate and the total reflection layer of light source, it is characterized in that described even photosphere end face is provided with character layer, also is provided with reflective even photosphere between described light guide plate and the total reflection layer; Described light source adopts injection electroluminescence semiconductor (hereinafter to be referred as the semiconductor point light source), is embedded in the side of light guide plate, and described light guide plate periphery is covered with reflector layer.
Described character layer back side non-luminous region also scribbles reflector layer.
The semiconductor point light source is embedded in the side of light guide plate, makes light directly enter light guide plate, has increased the illumination of character board; Be provided with reflective even photosphere between described light guide plate and the total reflection layer, should even photosphere can be to be point-like or net distribution, and density from light source by thin gradually close skin of paint, after having set up reflective even photosphere, the plane can be adopted in the bottom surface of light guide plate, and need not to use gradually, layer wave lines reaches even light effect, thereby, the more compact structure of character board, the light utilization efficiency height, and can reduce cost of manufacture.
Non-character zone scribbles reflector layer at the character layer back side, can further improve the luminance brightness of character, increases even light effect.
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
Fig. 1 is a three-dimensional exploded view of the present utility model.
Fig. 2 is the cut-open view after the utility model combination.
The broken section enlarged drawing of Fig. 3 Fig. 2.
Fig. 4 is the cut-open view of another embodiment of the utility model.
With reference to Fig. 1,2,3, the character emitting board, comprise the even photosphere 2 of character layer 1, through mode, light guide plate 3, reflective even photosphere 4 and the total reflection layer 5 that are arranged in order, described light source adopts semiconductor point light source 9, be embedded in the side of light guide plate, described light guide plate periphery is covered with reflector layer 6, and the non-character zone in the described character layer back side also scribbles reflector layer.Described pointolite is a plurality of as required to be on one group of side that is embedded in light guide plate, also can be embedded in respectively on two relative sides of light guide plate by two groups of pointolites, or four groups of pointolites splits on the surrounding of light guide plate.
The utility model is made as follows: the transparent light guide plate is formed with the model cast by methyl olefin(e) acid methyl esters, has depression 7 around light guide plate, and the semiconductor point light source is embedded with in the depression, does gluing processing with methymethacrylate 8 on every side; In basal surface silk-screen one deck point-like of transparent light guide plate or netted, density is painted by dredging gradually close white from light source, as reflective even photosphere, and then magnetron sputtering layer of aluminum reflective membrane is as total reflection layer, to the processing of painting and atomize of the upper surface of transparent light guide plate, constitute the even photosphere of through mode; Behind the inner relevant circuit of connection, the coated white reflectorized paint forms reflector layer on frame around the light guide plate, the printing opacity thin plate of manufacturing character is glued be posted on the colored atomizing layer of light guide plate, and character will be luminous automatically when switching on to light source.
The course of work of the present utility model is such: the transparent light guide plate is good light transmissive material, when the semiconductor point light source of light from be embedded in the transparent light guide plate directly enters the transparent light guide plate, because the refractive index of transparent light guide plate is greater than the optical index of surrounding medium, refraction principle according to light, light greater than critical angle returns the transparent light guide plate at the interface of transparent light guide plate and surrounding medium because of total reflection, the light that part reflects transparent light guide plate bottom surface returns the transparent light guide plate by reflective even photosphere and total reflection layer, and most light penetrate through the even photosphere of through mode from the upper surface of transparent light guide plate.Because the character layer lightproof part also is covered with reflector layer towards the bottom surface of the even photosphere of through mode, this part light also returns the transparent light guide plate.Therefore, the light that penetrates from light source is except a loss part transmission course, and most of light finally penetrates in the light transmission part of character layer, and light is repeatedly fully being spared light in refraction and the reflection process.
By control circuit, composition light source and each pointolite are lighted regularly on request and are extinguished, and have dynamic Presentation Function.
Some pointolites with different colours are formed light sources, by lighting wherein some pointolites regularly, can show different brightness and color.
With reference to Fig. 3, as stated above the even photosphere of through mode, light guide plate, reflective even photosphere and total reflection layer are made into a unit 10, the character set that needs show is manufactured on same transparent panel base, divide several regions on demand in the character set bottom surface, each unit is sticking to be posted in the corresponding zone, under the support of control circuit, whole character set produces dynamic display effect.
The utility model can be a character printing opacity and background is light tight, and after the light source energising, character is with regard to active illuminating; Also can be the light tight and background printing opacity of character, with the mode character display of background luminescence.
The utility model can also be used as the planar light source that other occasions are used.
Claims (3)
1, character emitting board, comprise the even photosphere (2) of the through mode that is arranged in order, have at least a side to be provided with the light guide plate (3) and the total reflection layer (5) of light source (9), it is characterized in that described even photosphere end face is provided with character layer (1), also is provided with reflective even photosphere (4) between described light guide plate and the total reflection layer; Described light source adopts the injection electroluminescence semiconductor, is embedded in the side of light guide plate, and described light guide plate periphery is covered with reflector layer (6).
2, character emitting board as claimed in claim 1 is characterized in that described reflective even photosphere is to be point-like or net distribution, and density from light source by thin gradually close skin of paint.
3, character emitting board as claimed in claim 1 or 2 is characterized in that described character layer back side non-luminous region also scribbles reflector layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99212675 CN2377649Y (en) | 1999-05-28 | 1999-05-28 | Luminous character plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99212675 CN2377649Y (en) | 1999-05-28 | 1999-05-28 | Luminous character plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2377649Y true CN2377649Y (en) | 2000-05-10 |
Family
ID=34005300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99212675 Expired - Fee Related CN2377649Y (en) | 1999-05-28 | 1999-05-28 | Luminous character plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2377649Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103632620A (en) * | 2013-09-29 | 2014-03-12 | 南京熊猫电子股份有限公司 | LOGO indicating window capable of emitting light |
| CN104994316A (en) * | 2015-06-30 | 2015-10-21 | 四川长虹电器股份有限公司 | Ultrathin luminous logo used for flat panel television and production method thereof |
-
1999
- 1999-05-28 CN CN 99212675 patent/CN2377649Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103632620A (en) * | 2013-09-29 | 2014-03-12 | 南京熊猫电子股份有限公司 | LOGO indicating window capable of emitting light |
| CN104994316A (en) * | 2015-06-30 | 2015-10-21 | 四川长虹电器股份有限公司 | Ultrathin luminous logo used for flat panel television and production method thereof |
| CN104994316B (en) * | 2015-06-30 | 2018-10-19 | 四川长虹电器股份有限公司 | The ultra-thin light-emitting logo and preparation method thereof that flat panel TV uses |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |