CN100401155C - Box of backlight module - Google Patents

Box of backlight module Download PDF

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Publication number
CN100401155C
CN100401155C CNB2005100538195A CN200510053819A CN100401155C CN 100401155 C CN100401155 C CN 100401155C CN B2005100538195 A CNB2005100538195 A CN B2005100538195A CN 200510053819 A CN200510053819 A CN 200510053819A CN 100401155 C CN100401155 C CN 100401155C
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CN
China
Prior art keywords
cassette holder
backlight module
resin
light
wall
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Expired - Fee Related
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CNB2005100538195A
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Chinese (zh)
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CN1831602A (en
Inventor
林东邦
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Chi Lin Optoelectronics Co Ltd
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Chi Lin Technology Co Ltd
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Priority to CNB2005100538195A priority Critical patent/CN100401155C/en
Publication of CN1831602A publication Critical patent/CN1831602A/en
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Publication of CN100401155C publication Critical patent/CN100401155C/en
Expired - Fee Related legal-status Critical Current
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Abstract

The present invention relates to a box seat of a backlight module, light sources of the backlight module can be erected above the box seat in a tiled mode, or the light sources are arranged at the side edge so as to reflect light rays of the light sources to a liquid crystal panel. The present invention also comprises a body which can reflect the light rays, and a protective layer which can absorb ultraviolet light, wherein the body is provided with an inner surface which faces the liquid crystal panel; the protective layer is coated and combined at the inner surface of the body. When the light rays from the upper part or the side edge illuminate on the box seat, the ultraviolet light in the light rays can be absorbed and filtered out by the protective layer, and visual light in the light rays can pass through the protective layer and can be reflected to the liquid crystal panel from the inner surface of the body. The box seat of the backlight module of the present invention has the efficacy of simple fabrication, labour saving, time saving, low cost, long service life, good reflecting quality, etc.

Description

The cassette holder of backlight module
Technical field
The present invention relates to a kind of cassette holder, particularly relate to a kind of cassette holder of backlight module.
Background technology
LCD (LCD) is that driving circuit is installed on the liquid crystal panel, utilize microprocessor (CPU) to drive again liquid crystal panel is shown, but because liquid crystal itself can't be luminous, make light see through liquid crystal so must establish light source in addition, to reach display effect, this is referred to as (back light) backlight by the luminous technology in behind." backlight module " is exactly will put or line source changes area source into, and in order to providing LCD high performance luminous display effect, and along with light source is arranged on the difference of position in the backlight module, backlight module is common design kenels such as straight-down negative, side-light type.
Consult Fig. 1 and Fig. 2, be to illustrate in the drawings with direct type backlight module, for example a kind of day disclosure special permission communique spy opens flat 2-109020 number patent of invention case, general backlight module 1 comprises: the diffuser plate 12 on the opening that the cassette holder 11 of upper shed on one day, a level are installed in this cassette holder 11, and several compartment of terrains are installed on this cassette holder 11 and the light source 13 of position below diffuser plate 12.This cassette holder 11 comprises that a section slightly is U type and opening body 111 up, and this body 111 has a horizontal basal wall 113, reaches one by upwardly extending surrounding wall 114 around the basal wall 113.Light source 13 is respectively to be installed on this basal wall 113, and the position is between the two opposite sides of this surrounding wall 114.When using, the light that light source 13 is sent can be via diffuser plate 12, and upwards diffusion exposes to a liquid crystal panel 14, partly light then can be radiated on this cassette holder 11, and reflex to diffuser plate 12 via this cassette holder 11, and upwards penetrate again, make liquid crystal panel 14 luminous demonstrations.
In order to allow liquid crystal panel 14 demonstrate correct tone and color, this backlight module 1 must irradiate photochromic and brightness uniformly at liquid crystal panel 14 transmission regions, and for this reason, the design of cassette holder 11 that is used for reflection ray is just quite important.General cassette holder 11 must be high reflectance material and white material that can secondary colour light, so on making, normally adopt higher but expensive polycarbonate (PC) raw material of reflectivity, and in this PC raw material, add the titania (TiO of reflecting material such as white 2), make the cassette holder 11 that can reflect white light with molten mixing.
Yet, owing to contain ultraviolet light (UV) in the light, so though cassette holder 11 can reflect white light, but the weatherability of the PC material of cassette holder 11 itself is not good, easily under the irradiation of light, is subjected to the effect of UV and the deterioration flavescence, therefore when on the cassette holder 11 of irradiate light that light source sends in this flavescence, the cassette holder 11 of flavescence just can reflect gold-tinted, makes liquid crystal panel 14 demonstrate the tone and the color of inclined to one side Huang, causes the color uniformity of LCD not good.
For this reason, after this cassette holder 11 of necessary detection shines for a long time through light, the comparison colours difference between light color that is reflected and white light, standard colors difference DELTA E formula is as follows:
ΔE = Δ L 2 + Δ a 2 + Δ b 2
Wherein, L is brightness, and a, b are colourity
Generally held standard value of chromatism Δ E must be below 1, and general in the past proper testing method is: adopting size is that 15 o'clock cassette holder 11 is done test, and under through 2000 hours Continuous irradiation of cold-cathode tube (CCFL), detected next value of chromatism, be value of chromatism Δ E>5 of the above-mentioned cassette holder made from PC 11, and do not meet test stone.So in the use, the serviceable life of cassette holder 11 is shorter relatively, can not continue to reflect pure white light.
Moreover, because above-mentioned proper testing method must expend 2000 hours and just can record the result, comparatively waste the research and development time, therefore in order to quicken test, industry is to develop a kind of accelerated test method now, this accelerated test method is: under the environment of 70 ℃ of temperature and humidity 90%, get 15 o'clock identical cassette holders 11, with the light of UV wavelength 313nm and 1800w (20A/120V), Continuous irradiation 250 hours, detected next value of chromatism, but value of chromatism Δ E>10 that the cassette holder made from PC 11 tests out.
By above test result as can be known, cassette holder 11 did not meet examination criteria in the past, and quality is not good.Therefore how to prevent that UV from destroying the look that is caused to material itself and becoming, make cassette holder 11 can reflect white light, become a big important topic of backlight module.
Cassette holder 11 was to attach one deck reflector plate 112 by several double sticky tapes 115 on body 111 in structure design in the past, and the light that is sent in order to reflection source 13 is to avoid body 111 yellows of going bad.Yet when being sticked, must earlier double sticky tape 115 be sticked on this basal wall 113, after making reflector plate 112 aim at basal wall 113 positions again, post on double sticky tape 115, paste all for twice of this three ply board sheet and must adjust contraposition and applying carefully, otherwise crooked, gauffer takes place easily or form phenomenon such as bubble, cause the product quality flaw bad, therefore it is consuming time comparatively to take a lot of work when being sticked, and will improve processing cost relatively.
But the cassette holder 11 of this direct type backlight module 1, though on the basal wall 113 of acryl material, reflector plate 112 has been sticked, yet this cassette holder 11 but is not provided with protective construction on surrounding wall 114, so surrounding wall 114 still can be subjected to the light influence and the deterioration variable color, moreover, this reflector plate 112 phenomenon of deterioration variable color still can occur in use for some time, therefore still can't promote product quality effectively.
In addition, consult Fig. 3, the cassette holder 22 of side light type back light module 2 in the past on being sticked of reflector plate 222, can produce equally as the direct type backlight module disappearance such as consuming time of taking a lot of work.Part as for the variable color deterioration, then because this side light type back light module 2, be that light source 21 correspondences are installed in the cassette holder 22, and the position is at a light guide plate 24 sides, and on a side of each light source 21 contiguous cassette holder 22, all be equiped with a reflex housing 23, can in order to the light side direction of light source 21 towards central illumination to light guide plate 24, and cooperate reflector plate 222 that light is upwards penetrated, make liquid crystal panel 25 luminous demonstrations, so the surrounding wall 221 of the cassette holder 22 of side light type back light module covers because of reflex housing 23 is arranged, be difficult for shining the light that contains UV, but this reflector plate 222 also has the situation of deterioration variable color, so after using a period of time, the problem of yellow can take place equally.
Summary of the invention
Therefore, purpose of the present invention is just providing a kind of body internal surface directly to be coated with the cassette holder of reflection horizon with the backlight module that reaches simple and easy manufacturing effect.
Another object of the present invention is to be to provide a kind of cassette holder with backlight module of preferable fastness degradation effects.
The cassette holder of a kind of backlight module of the present invention; be for light source installing and be used for light reflection with light source to a liquid crystal panel; and comprise one can reflection ray body; this body has an inside surface towards this liquid crystal panel; wherein: this cassette holder comprises that also one can absorb the protective seam of ultraviolet light, and this protective seam is that coating is combined on the inside surface of this body.When the irradiate light of top or side is on this cassette holder, the ultraviolet light in the light can be absorbed by this protective seam and leach, and the visible light in the light then can pass this protective seam, and by the inside surface reflection of this body to liquid crystal panel.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this body also has the side wall that a basal wall, two is extended towards liquid crystal panel relatively by basal wall two sides, and two be located in addition two sides of this basal wall relatively and be connected connecting wall between the dual-side wall, described light source be installed on this basal wall and the position between two connecting walls.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this body also has the side wall that a basal wall, two is extended towards liquid crystal panel relatively by basal wall two sides, and two be located in addition two sides of this basal wall relatively and be connected connecting wall between the dual-side wall, and described light source is to be installed in this basal wall side and adjacent side wall.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this body is made by the plastic material of fusion adularescent reflective agent, and this plastic material is that to be selected from fluorocarbon resin, silica resin, acryl resin, alkyd resin, phenylethylene resin series, polyolefin-based resins, polycarbonate resin, nylon be resin, alkyd resin or its composition.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this reflective agent is to be selected from titania, zinc paste, lime carbonate, barium sulphate, talcum powder or its composition.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this body also is added with a reinforcement material in plastic material, and this reinforcement material is to be selected from lime carbonate, reinforcing fiber, titania, talcum powder, mica, barium sulphate, zinc paste or its composition.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this body is made by metal material, this metal material is to be selected from galvanized steel plain sheet, tinplate, aluminium alloy, magnesium alloy, stainless steel or its composition.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: at least one wall in this basal wall, dual-side wall and two connecting walls is to be made by metal material, remaining wall then is made by the plastic material of fusion adularescent reflective agent.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this plastic material is that to be selected from fluorocarbon resin, silica resin, acryl resin, alkyd resin, phenylethylene resin series, polyolefin-based resins, polycarbonate resin, nylon be resin, alkyd resin or its composition.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this reflective agent is to be selected from titania, zinc paste, lime carbonate, barium sulphate, talcum powder or its composition.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this metal material is to be selected from galvanized steel plain sheet, tinplate, aluminium alloy, magnesium alloy, stainless steel or its composition.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this protective seam is to have the resin base material of light stabilizer to be constituted by a fusion.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: the resin base material of this protective seam is to be selected from fluorocarbon resin, silica resin, acryl resin, carbamide resin, epoxy resin, alkyd resin, unsaturated polyester resin or its composition.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: the resin base material of this protective seam is the resin that is selected from water-soluble, oil-soluble, a liquid type or two liquid types.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this light stabilizer is to be selected from aminated compounds, hindered amine compound, salicylic acid compounds, triazole methyl benzene-like compounds, benzophenone compound, metallic nickel chelate or its composition.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this protective seam is to be coated on the inside surface of this body.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this protective seam is that the die head squash type is coated on the inside surface of this body.
The cassette holder of the backlight module that the present invention is above-mentioned, wherein: this protective seam is that the dipping formula is coated on the inside surface of this body.
The cassette holder of backlight module of the present invention, have manufacturing simple, can save man-hour, can reduce cost, long service life, and effect such as reflective qualities is good.
Description of drawings
The present invention is described in detail below in conjunction with drawings and Examples:
Fig. 1 is the partial schematic sectional view of the concise and to the point structure of direct type backlight module in the past, illustrates that a cassette holder reflexes to part synoptic diagram on the diffuser plate with light;
Fig. 2 is the perspective exploded view of the cassette holder of direct type backlight module in the past, illustrates and utilizes several double sticky tapes that one reflector plate is pasted on a body;
Fig. 3 is the partial schematic sectional view of the concise and to the point structure of side light type back light module in the past;
Fig. 4 is the stereographic map of one first preferred embodiment of the cassette holder of backlight module of the present invention, and description taken in conjunction has three lamp sources and a diffuser plate, and the position is below a liquid crystal panel;
Fig. 5 is an assembling cross-sectional schematic of this first preferred embodiment;
Fig. 6 is that the some of this first preferred embodiment is analysed and observe enlarged diagram, and the user mode that is subjected to an irradiate light is described;
Fig. 7 is the stereographic map of body of one second preferred embodiment of the cassette holder of backlight module of the present invention;
Fig. 8 is that the some of this second preferred embodiment is analysed and observe schematic perspective view;
Fig. 9 is a part of cross-sectional schematic of one the 3rd preferred embodiment of the cassette holder of backlight module of the present invention, and the user mode that is subjected to an irradiate light is described.
Embodiment
For convenience of description, following embodiment, identical assembly is represented with identical label.
Consult Fig. 4 and Fig. 5, first preferred embodiment of cassette holder of the present invention is to be installed in the direct type backlight module, described backlight module comprises the diffuser plate 4 that a cassette holder 3, is installed in the top of this cassette holder 3, and several compartment of terrains are installed in this cassette holder 3 and the light source 5 of position below diffuser plate 4.Each light source 5 is one to be the cathode fluorescent tube of a word or U type, and the light of light source 5 can be via these cassette holder 3 reflections to diffuser plate 4, in order to see through diffuser plate 4 with light scatter to a liquid crystal panel 6.Certainly in design, light source 5 quantity can be a cathode fluorescent tube, perhaps are an area source, for example are made into plane CCFL or CNT, no longer describe in detail at this.This cassette holder 3 comprises: a body 31, and a protective seam 32.
This body 31 has on two sides in addition that side wall 312, two that a horizontal basal wall 311, two extends relatively by basal wall 311 2 sides is located at this basal wall 311 relatively up and is connected the connecting wall 313 of 312 on dual-side wall, and an inside surface 314 that is formed between this basal wall 311, side wall 312 and the connecting wall 313.Described diffuser plate 4 is that level is installed in this body 31 upsides, and described light source 5 then is to be installed at intervals on this basal wall 311, and the position is 313 of two connecting walls.
And this body 31 is to have the plastic material of a white reflective agent made by a fusion, can be used for complete reflection ray, this plastic material is to be selected from fluorocarbon resin (Fluorocarbon resins), silica resin (Silicone resins), acryl resin (Polyacryate resins), alkyd resin (Alkyd resins), phenylethylene resin series (Styrenic resins), polyolefin-based resins (Polyolefin resins), polycarbonate resin (Polycarbonate resins), nylon is resin (Nylon-based resins), vibrin (Polyester resins) or its composition, just this plastic material is a wherein composition of described resinous principle, or be the wherein mixing of two compositions, or be the wherein mixing of several compositions, or be the hybrid combining of described composition.
This reflective agent is to be selected from titania (TiO 2), zinc paste, lime carbonate, barium sulphate, talcum powder or its composition, the best is the titania composition, can be used to the resin base material reflection ray of arranging in pairs or groups.
This body 31 also is added with a reinforcement material in plastic material, and this reinforcement material is to be selected from lime carbonate, reinforcing fiber, titania, talcum powder, mica, barium sulphate, zinc paste or its composition.
This protective seam 32 is to be combined on the inside surface 314 of this body 31 with spraying (Spray Coating), die head squash type coating (DieExtusion Coating) or dipping formula coating coating methods such as (Dip Coating), is to have the resin base material of UV light stabilizer (LightStabilizer) to be constituted by a fusion.
This resin base material is the good material of a weatherability, is to be selected from fluorocarbon resin, silica resin, acryl resin, alkyd resin, carbamide resin, epoxy resin, unsaturated polyester resin or its composition.
This light stabilizer is to be selected from amine (Amine type) compound, hindered amines (Hindered Amine type) compound, salicylic acid (Salicyl type) compound, triazole methyl benzene class (Benzortriazole type) compound, benzophenone (Benzopherone type) compound, metallic nickel (Nickel), chelate (Complex) or its composition.This light stabilizer is smoke agent for shielding, UV absorbers (UVAbsorber), excited state quenchers just, or radical scavenger, it is the material that a tool absorbs the ultraviolet light characteristic, have absorbing wavelength to be the performance of the following UV of 400nm, the free radical that is produced in the time of being used to decompose the UV irradiation, rotten yellow has the light stabilization function that suppresses or delay the light aging signs of degradation to avoid this resin base material to be destroyed by free radical.
Consult Fig. 5 and Fig. 6, furthermore, have visible light 51 and ultraviolet light (UV) 52 in the light of this light source 5.In use; the light of light source 5 can directly upwards penetrate via diffuser plate 4 diffusions; partly light then can be radiated on this cassette holder 3; because can being absorbed by this protective seam 32, the ultraviolet light 52 in the light leaches; visible light 51 then can pass this protective seam 32; and inside surface 314 reflections via body 31 make progress through this diffuser plate 4; diffusion exposes to liquid crystal panel 6 luminous demonstrations again; hence one can see that; protective seam 32 is to be combined in all sidedly on the inside surface 314 of this body 31; and contain the UV light stabilizer in this protective seam 32; therefore the protection by the good protective seam 32 of weatherability designs; cassette holder 3 can directly absorb and leach ultraviolet light 52, so can not be subjected to the influence of UV light and yellow.
In addition, utilize the accelerated test method to detect cassette holder 3 of the present invention again, value of chromatism Δ E<0.5 that detects is the check criteria that meets industry, so the quality of reflected white-light of the present invention is good.
Consult Fig. 7 and Fig. 8, it is second preferred embodiment of the cassette holder of backlight module of the present invention, the structure of present embodiment is roughly identical with first embodiment with effect, different parts are: present embodiment is one to add large-scale rectangle cassette holder 3, for firmly supporting the described light source 5 in location, the length of each side wall 312 is longer than connecting wall 313, described connecting wall 313 is same by the plastic material that is added with reflective agent, or the plastic material that is added with reinforcement material and reflective agent is made, and light source 5 is to be installed in 313 of two connecting walls, basal wall 311 and side wall 312 then are made by metal material, this metal material is to be selected from galvanized steel plain sheet (SECC), tinplate, aluminium alloy, magnesium alloy, stainless steel or its composition make that the large scale structure is comparatively firm.
Certainly, the material of this basal wall 311, dual-side wall 312 and two connecting walls 313 also can have other to select combination in design, and for example: this basal wall 311, dual-side wall 312 and two connecting walls 313 all are to be made by this metal material.Perhaps, the wall wherein of this basal wall 311, dual-side wall 312 and two connecting walls 313 is to be made by metal material, and another wall wherein then is made by plastic material.Perhaps, three walls wherein of this basal wall 311, dual-side wall 312 and two connecting walls 313 are to be made by metal material, and two walls in addition wherein then are made by plastic material.Perhaps, two walls wherein of this basal wall 311, dual-side wall 312 and two connecting walls 313 are to be made by metal material, and three walls in addition wherein then are made by plastic material.Perhaps, a wall wherein of this basal wall 311, dual-side wall 312 and two connecting walls 313 is to be made by metal material, and wall in addition wherein then is made by plastic material.
Consult Fig. 9, the 3rd preferred embodiment of the cassette holder of backlight module of the present invention, the structure of present embodiment and above-mentioned first to two embodiment are roughly the same, different parts are: present embodiment is to illustrate to be installed on the side light type back light module, described backlight module comprises a cassette holder 3, two compartment of terrains are installed in the light source 5 of these basal wall 311 sides and adjacent side wall 312, light guide plate 75 of described light sources, and the once diffusion sheet 81 of position above light guide plate 7 in regular turn, diffusion sheet 83 on two brightening pieces 82 and, only demonstrate a side among the figure, light source 5 also can only be arranged on cassette holder 3 one sides or be arranged at side all around in design certainly.During use; the light of light source 5 can side direction be derived via light guide plate 7 outside scatterings towards central authorities; wherein downward light can be radiated on this cassette holder 3; and the ultraviolet light in the light can absorb by protected seam 32; visible light then can be reflected by body 31; and be upward through light guide plate 7, following diffusion sheet 81, brightening piece 82 and last diffusion sheet 83, directly via upwards emission of light guide plate 7, expose to the luminous demonstration of liquid crystal panel (scheming not show) together to spread.
By above explanation as can be known, the present invention has a following good advantage that more in the past was making with textural:
One, manufacturing is simpler: on making; protective seam 32 is the mode to be coated with directly; be combined on the inside surface 314 of this body 31; design for the direct combination of two-layer structure; do not need through pasting layer by layer, thus more or less freely on making, crooked, gauffer can not take place yet or form phenomenon such as bubble; and can save man-hour and reduce cost, and the good quality of product of being produced.
Two; the protection effect is good: the present invention is on the inside surface 314 of body 31; coating is combined with one deck fusion UV light stabilizer (Light Stabilizer) and the good protective seam 32 of weatherability all sidedly; make and to be installed in the light that the light source 5 in the body 31 sent; ultraviolet light 52 can be absorbed by this protective seam 32 and leach; 51 of visible lights can penetrate this protective seam 32; and be reflected at the inside surface 314 of this body 31; and upwards penetrate towards liquid crystal panel 6; make the light that is reflected present the primary colors white light; and in use; ultraviolet light 52 can't act on the body 31; just body 31 can not have influence on the photochromic of light reflection; make body 31 be protected and can the deterioration flavescence, can increase the service life, so no matter be the backlight module of straight-down negative or side-light type; all has the good effect of reflective qualities; in addition, this body 31 for example also can use the relatively poor but more cheap material of anti-yellow on making: ABS; PS; PP is to reduce raw materials cost.
By above explanation as can be known, the cassette holder 3 of backlight module of the present invention, have manufacturing simple, can save man-hour, can reduce cost, long service life, and effect such as reflective qualities is good, therefore, the present invention is not only unprecedented innovation, also can utilize on the industry.
Though the present invention with preferred embodiment openly as above; right its is not in order to limiting the present invention, anyly is familiar with this skill person, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the scope that claims define.
Symbol description
1,2: backlight module 82: brightening piece
3,11,22: cassette holder 83: upper diffusion sheet
2,12: diffuser plate 112: reflector plate
5,13,21: light source 113,311: horizontal basal wall
6,14,25: liquid crystal panel 114,221: surrounding wall
7,24: LGP 115: two-sided tape
23: reflector 221: surrounding wall
31,111: body 222: reflector plate
32: protective layer 312: the side wall
51: visible light 313: connecting wall
52: ultraviolet light 314: inside surface
81: following diffusion sheet

Claims (14)

1. the cassette holder of a backlight module is for the light source installing and be used for light reflection with light source to a liquid crystal panel, and comprise one can reflection ray body, this body has an inside surface towards this liquid crystal panel, it is characterized in that:
This cassette holder comprises that also one can absorb the protective seam of ultraviolet light, and this protective seam is that coating is combined on the inside surface of this body,
This body also has the side wall that a basal wall, two is extended towards liquid crystal panel relatively by basal wall two sides, and two be located on two sides in addition of this basal wall relatively and be connected connecting wall between the dual-side wall,
At least one wall in this basal wall, dual-side wall and two connecting walls is to be made by metal material, and remaining wall then is made by the plastic material of fusion adularescent reflective agent.
2. the cassette holder of backlight module according to claim 1 is characterized in that: described light source be installed on this basal wall and the position between two connecting walls.
3. the cassette holder of backlight module according to claim 1, it is characterized in that: described light source is to be installed in this basal wall side and adjacent side wall.
4. according to the cassette holder of each described backlight module of claim 1~3, it is characterized in that: this plastic material is that to be selected from fluorocarbon resin, silica resin, acryl resin, alkyd resin, phenylethylene resin series, polyolefin-based resins, polycarbonate resin, nylon be resin, alkyd resin or its composition.
5. the cassette holder of backlight module according to claim 4, it is characterized in that: this reflective agent is to be selected from titania, zinc paste, lime carbonate, barium sulphate, talcum powder or its composition.
6. the cassette holder of backlight module according to claim 4, it is characterized in that: this body also is added with a reinforcement material in plastic material, and this reinforcement material is to be selected from lime carbonate, reinforcing fiber, titania, talcum powder, mica, barium sulphate, zinc paste or its composition.
7. according to the cassette holder of each described backlight module of claim 1~3, it is characterized in that: this body is made by metal material, and this metal material is to be selected from galvanized steel plain sheet, tinplate, aluminium alloy, magnesium alloy, stainless steel or its composition.
8. the cassette holder of backlight module according to claim 1, it is characterized in that: this protective seam is to have the resin base material of light stabilizer to be constituted by a fusion.
9. the cassette holder of backlight module according to claim 8, it is characterized in that: the resin base material of this protective seam is to be selected from fluorocarbon resin, silica resin, acryl resin, carbamide resin, epoxy resin, alkyd resin, unsaturated polyester resin or its composition.
10. the cassette holder of backlight module according to claim 9 is characterized in that: the resin base material of this protective seam is the resin that is selected from water-soluble, oil-soluble, a liquid type or two liquid types.
11. the cassette holder of backlight module according to claim 8 is characterized in that: this light stabilizer is to be selected from aminated compounds, hindered amine compound, salicylic acid compounds, triazole methyl benzene-like compounds, benzophenone compound, metallic nickel chelate or its composition.
12. the cassette holder of backlight module according to claim 1 is characterized in that: this protective seam is to be coated on the inside surface of this body.
13. the cassette holder of backlight module according to claim 1 is characterized in that: this protective seam is that the die head squash type is coated on the inside surface of this body.
14. the cassette holder of backlight module according to claim 1 is characterized in that: this protective seam is that the dipping formula is coated on the inside surface of this body.
CNB2005100538195A 2005-03-11 2005-03-11 Box of backlight module Expired - Fee Related CN100401155C (en)

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CN1831602A CN1831602A (en) 2006-09-13
CN100401155C true CN100401155C (en) 2008-07-09

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838406A (en) * 1995-08-29 1998-11-17 W. L. Gore & Associates, Inc. Light reflectant surface of expanded polytetrafluoroethylene with nodes and fibrils for backlit liquid crystal displays
JP2000331516A (en) * 1999-05-19 2000-11-30 Harison Electric Co Ltd Lighting system
CN1409160A (en) * 2001-09-20 2003-04-09 惠和株式会社 Reflective thin sheet and back light assembly using said sheet
CN2622733Y (en) * 2003-04-07 2004-06-30 杜辉 Liquid crystal module back light source

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5838406A (en) * 1995-08-29 1998-11-17 W. L. Gore & Associates, Inc. Light reflectant surface of expanded polytetrafluoroethylene with nodes and fibrils for backlit liquid crystal displays
JP2000331516A (en) * 1999-05-19 2000-11-30 Harison Electric Co Ltd Lighting system
CN1409160A (en) * 2001-09-20 2003-04-09 惠和株式会社 Reflective thin sheet and back light assembly using said sheet
CN2622733Y (en) * 2003-04-07 2004-06-30 杜辉 Liquid crystal module back light source

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CN1831602A (en) 2006-09-13

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Owner name: QILING PHOTOELECTRIC CO., LTD.

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Address after: Tainan City, Taiwan, China

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