CN101520149A - Hollow side light type backlight module with light-emitting array and display - Google Patents
Hollow side light type backlight module with light-emitting array and display Download PDFInfo
- Publication number
- CN101520149A CN101520149A CN200910134339A CN200910134339A CN101520149A CN 101520149 A CN101520149 A CN 101520149A CN 200910134339 A CN200910134339 A CN 200910134339A CN 200910134339 A CN200910134339 A CN 200910134339A CN 101520149 A CN101520149 A CN 101520149A
- Authority
- CN
- China
- Prior art keywords
- catoptric arrangement
- light
- horizontal plane
- supporter
- plane
- 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
Images
Abstract
The invention discloses a hollow side light type backlight module with a light-emitting array and a display. The hollow side light type backlight module mainly uses a hollow reflection structure to replace a light guide plate structure, is matched with a side light type light source to form a light-emitting unit, and is spliced with a plurality of light-emitting units to form the light-emitting array. The reflection structure of each light-emitting unit is provided with a horizontal plane and a reflection surface connected with the horizontal plane, wherein an included angle exists between the extension surface of the reflection surface and the extension surface of the horizontal plane, and the horizontal plane is arranged to be adjacent to the light source. A diffusion panel of the hollow side light type backlight module is arranged above the reflection surface and the horizontal plane, wherein the diffusion panel, the light source, the horizontal plane and the reflection surface define at least one air cavity chamber.
Description
Technical field
The invention relates to a kind of backlight module and display, particularly relevant for a kind of hollow type side light type back light module and display with light emitting array.
Background technology
Backlight module is one of key part and component of display panels.Because liquid crystal itself can't be luminous, thereby need to use backlight module that light source is provided, can show normal and the well-balanced image of brightness by making display panels.Generally speaking, backlight module can be divided into straight-down negative (Direct-type) and two kinds of designs of side-light type (Edge-type), and wherein the backlight that backlight module is commonly used for example has cold-cathode fluorescence lamp and light emitting diode (Light Emitting Diode; LED) etc.
Evolution along with LCD Technology, the part control technology (Local Dimming) that flickers has been played the part of considerable role in LCD market, the surcharge that it can increase LCD has significantly become the emphasis development project of each liquid crystal display manufacturers.So-called " part flicker control technology " is that Backlight For Liquid Crystal Display Panels is divided into a plurality of different blocks, according to display image each block carried out briliancy control respectively again.In the broadest sense, the part control technology that flickers roughly can be distinguished 3 big classes: the parts of 0 dimension (0D), 1 dimension (1D) and 2 dimensions (2D) control technology that flickers, wherein tie up the flicker best results of control technology of (2D) parts with 2.Known technology is to use the direct-light type LED backlight module to implement 2 dimension (2D) parts control technology that flickers, and it has the advantage of high dynamic contrast and power saving.Yet the thickness of direct type backlight module is too big, can't satisfy the requirement of product slimming.
Another known technology is the framework that a plurality of wedge shape LGPs is spliced into a side light type back light module.To implement flicker control technology and thickness of part less though the framework of this side light type back light module also can be used to, but its number of assembling steps is too complicated, and its assembling variation can cause between each block difference to some extent, makes the suitable difficulty of making of the actual backlight module that scrabbles up large scale or special size.
Summary of the invention
Because the thickness of known direct-light type LED backlight module is too big; And the number of assembling steps of the side light type back light module of the spliced LGP of known tool is too complicated, therefore, the present invention provides a kind of hollow type side light type back light module and display with light emitting array, by implementing the part control technology that flickers, to satisfy the lightening demand of product; And simplify the possibility (Feasibility) that number of assembling steps provides modularization to scrabble up large scale and special size.
According to embodiments of the invention, the hollow type side light type back light module with light emitting array of the present invention includes a light emitting array and a diffuser plate at least.Light emitting array is made up of a plurality of luminescence unit, and wherein each luminescence unit has catoptric arrangement and light source.Catoptric arrangement has a horizontal plane and the reflecting surface that is connected of horizontal plane therewith, wherein have an angle between the extended surface of reflecting surface and horizontal plane, and light source is to be adjacent to horizontal plane.Diffuser plate is the top that is arranged at reflecting surface and horizontal plane, and wherein diffuser plate, light source, horizontal plane and reflecting surface define an air chamber.In another embodiment, this light source is at least one LED source, and this angle is an essence between 5 degree between 45 degree, and the cosine value that the area of reflecting surface multiply by angle is that essence is between 1 to 10 to the ratio of the area of horizontal plane.
According to another embodiment of the present invention, the hollow type side light type back light module with light emitting array of the present invention more includes a backboard, and each luminescence unit includes a supporter and a reflector plate.Supporter is to be positioned on the backboard and to have a inclined-plane towards aforesaid light source and diffuser plate, and reflector plate is to be positioned on the inclined-plane of supporter, and forming the reflecting surface of aforesaid catoptric arrangement, the surface of the backboard between wherein aforesaid light source and supporter is the horizontal plane of aforesaid catoptric arrangement.
According to another embodiment of the present invention, the hollow type side light type back light module with light emitting array of the present invention more includes a backboard, and each luminescence unit includes a supporter.Supporter is to be positioned on the backboard and to have a inclined-plane towards aforesaid light source and diffuser plate, wherein supporter is made by high reflecting material, the inclined-plane of supporter is the reflecting surface of aforesaid catoptric arrangement, and the surface of the backboard between aforesaid light source and supporter is the horizontal plane of aforesaid catoptric arrangement.
According to another embodiment of the present invention, each luminescence unit includes a backboard.Backboard has a horizontal part and an inclined plane part, and wherein horizontal part forms the horizontal plane of aforesaid catoptric arrangement, and inclined plane part forms the inclined-plane of aforesaid catoptric arrangement.In another embodiment, this inclined plane part more is pasted with a reflector plate.
According to another embodiment of the present invention, catoptric arrangement is to be made of one piece by reflector plate, and reflector plate is to be arranged on the surface and inclined plane part of light incident sides, backboard.And the side of catoptric arrangement (light incident sides) has opening, and light source is arranged in the opening.
According to another embodiment of the present invention, the hollow type side light type back light module with light emitting array of the present invention includes a light emitting array and a diffuser plate.Light emitting array is made up of a plurality of luminescence unit, and each luminescence unit has one first catoptric arrangement, one second catoptric arrangement, one first light source and a secondary light source.One first reflecting surface that first catoptric arrangement has one first horizontal plane and is connected with first horizontal plane have one first angle between the extended surface of first reflecting surface and first horizontal plane, and first light source is to be adjacent to first horizontal plane.One second reflecting surface that second catoptric arrangement has one second horizontal plane and is connected with second horizontal plane, has one second angle between the extended surface of second reflecting surface and second horizontal plane, second reflecting surface is to be connected to first reflecting surface, and secondary light source is to be adjacent to second horizontal plane.Diffuser plate is the top that is arranged at second reflecting surface, second horizontal plane, first reflecting surface and first horizontal plane, wherein diffuser plate, first light source, first horizontal plane and first reflecting surface define one first air chamber, and diffuser plate, secondary light source, second horizontal plane and second reflecting surface then define one second air chamber.In another embodiment, first light source and secondary light source are LED sources, first angle and second angle are essence between 5 degree between 45 degree, and the cosine value that the area of first reflecting surface multiply by first angle is that essence is between 1 to 10 to the ratio of the area of first horizontal plane; The cosine value that the area of second reflecting surface multiply by second angle is that essence is between 1 to 10 to the ratio of the area of second horizontal plane.In another embodiment, first catoptric arrangement and second catoptric arrangement are mirrors each other.
According to another embodiment of the present invention, the hollow type side light type back light module with light emitting array of the present invention more includes a backboard, and each luminescence unit comprises: one first supporter, one first reflector plate, one second supporter and one second reflector plate.First supporter is to be positioned on the backboard and to have first inclined-plane towards first light source and diffuser plate, first reflector plate is to be positioned on first inclined-plane of first supporter, and form first reflecting surface of first catoptric arrangement, and the surface of the backboard between first light source and first supporter is first horizontal plane of first catoptric arrangement.Second supporter is to be positioned on the backboard and to have second inclined-plane towards secondary light source and diffuser plate, second reflector plate is to be positioned on second inclined-plane of second supporter, and form second reflecting surface of second catoptric arrangement, and the surface of the backboard between the secondary light source and second supporter is second horizontal plane of second catoptric arrangement.
According to another embodiment of the present invention, the hollow type side light type back light module with light emitting array of the present invention more includes a backboard, and each luminescence unit comprises: one first supporter and one second supporter.First supporter is to be positioned on the backboard and to have first inclined-plane towards first light source and diffuser plate, wherein first supporter is made by the first high reflecting material, first inclined-plane of first supporter is first reflecting surface of first catoptric arrangement, and the surface of the backboard between first light source and first supporter is first horizontal plane of first catoptric arrangement.Second supporter is to be positioned on the backboard and to have second inclined-plane towards secondary light source and diffuser plate, wherein second supporter is made by the second high reflecting material, second inclined-plane of second supporter is second reflecting surface of second catoptric arrangement, and the surface of the backboard between the secondary light source and second supporter is second horizontal plane of second catoptric arrangement.
According to another embodiment of the present invention, each luminescence unit includes a backboard.This backboard has one first horizontal part, one first inclined plane part, one second horizontal part and one second inclined plane part, wherein first horizontal part forms first horizontal plane of first catoptric arrangement, first inclined plane part forms first inclined-plane of first catoptric arrangement, second horizontal part forms second horizontal plane of second catoptric arrangement, and second inclined plane part forms second inclined-plane of second catoptric arrangement.
According to another embodiment of the present invention, first catoptric arrangement is to be made of one piece by first reflector plate, and first reflector plate is to be arranged on the surface and first inclined plane part of first light incident sides, first backboard, and the side of first catoptric arrangement (first light incident sides) has opening, and first light source is arranged in the opening; Second catoptric arrangement is to be made of one piece by second reflector plate, and second reflector plate is to be arranged on the surface and second inclined plane part of second light incident sides, second backboard, and the side of second catoptric arrangement (second light incident sides) has opening, and secondary light source is arranged in the opening.
According to another embodiment of the present invention, display of the present invention includes a display floater and the above-mentioned hollow type side light type back light module with light emitting array.Display floater is arranged on the top of this hollow type side light type back light module.
Description of drawings
For above-mentioned and other purposes of the present invention, feature, advantage and embodiment can be become apparent, appended accompanying drawing is described in detail as follows:
Figure 1A is the generalized section that illustrates the hollow type side light type back light module with light emitting array of one embodiment of the invention.
Figure 1B is the schematic top plan view that illustrates the light emitting array of one embodiment of the invention.
Fig. 2 A is the generalized section that illustrates the catoptric arrangement of one embodiment of the invention.
Fig. 2 B is the generalized section that illustrates the integrated catoptric arrangement of one embodiment of the invention.
Fig. 2 C is the generalized section that illustrates the catoptric arrangement of another embodiment of the present invention.
Fig. 2 D is the generalized section that illustrates the catoptric arrangement of another embodiment of the present invention.
Fig. 2 E is the generalized section that illustrates the integrated catoptric arrangement of another embodiment of the present invention.
Fig. 3 A is the generalized section that illustrates the hollow type side light type back light module with light emitting array of another embodiment of the present invention.
Fig. 3 B is the schematic top plan view that illustrates the light emitting array of another embodiment of the present invention.
Fig. 4 A is the generalized section that illustrates the catoptric arrangement of another embodiment of the present invention.
Fig. 4 B is the generalized section that illustrates the integrated catoptric arrangement of another embodiment of the present invention.
Fig. 4 C is the generalized section that illustrates the catoptric arrangement of another embodiment of the present invention.
Fig. 4 D is the generalized section that illustrates the catoptric arrangement of another embodiment of the present invention.
Fig. 4 E is the generalized section that illustrates the integrated catoptric arrangement of another embodiment of the present invention.
Fig. 5 is the generalized section that illustrates the display of one embodiment of the invention.
Drawing reference numeral
100 light emitting arrays, 110 luminescence units
112 light sources, 200 catoptric arrangements
210 horizontal planes, 220 reflectings surface
230 light incident sides, 240 supporters
Element is pasted on 241 inclined-planes 242
244 reflector plates, 250 supporters
Element is pasted on 251 inclined-planes 262
264 reflector plates, 300 diffuser plates
310 backboards, 312 surfaces
320 backboards, 322 horizontal parts
324 inclined plane parts, 326 surfaces
330 display floater 380a, first backboard
380b second backboard 400 light emitting arrays
410 luminescence unit 412a surfaces
The 420b second catoptric arrangement 422a first light source
422b secondary light source 424a first horizontal plane
The 426a first reflecting surface 426b second reflecting surface
The 430a first light incident sides 430b second light incident sides
The 440a first supporter 440b second supporter
441b inclined-plane, 441a inclined-plane
442a first pastes element 442b second and pastes element
The 444a first reflector plate 444b second reflector plate
The 450a first supporter 450b second supporter
The 451a first inclined-plane 451b second inclined-plane
452b surface, 452a surface
462a first pastes element 462b second and pastes element
The 464a first reflector plate 464b second reflector plate
The 472a first horizontal part 472b second horizontal part
The 474a first inclined plane part 474b second inclined plane part
476b surface, 476a surface
A2 first included angle A 1 angle
D1 distance A 3 second angles
The specific embodiment
Backlight module framework of the present invention mainly is to replace the LGP framework with the hollow type catoptric arrangement, and collocation side-light type light source becomes a luminescence unit, splice a plurality of luminescence units again and become a light emitting array, by simplifying number of assembling steps significantly, and reach part flicker control and lightening purpose.
Please refer to Figure 1A and Figure 1B, Figure 1A is the generalized section that illustrates the hollow type side light type back light module with light emitting array of one embodiment of the invention, and Figure 1B is the schematic top plan view that illustrates the light emitting array of one embodiment of the invention.The hollow type side light type back light module of present embodiment includes light emitting array 100 and diffuser plate 300.Light emitting array 100 is made up of a plurality of luminescence unit 110, and wherein each luminescence unit 110 has catoptric arrangement 200 and at least one light source 112.The reflecting surface 220 that catoptric arrangement 200 has horizontal plane 210 and is connected with horizontal plane 210, in this embodiment, reflecting surface 220 is the plane with horizontal plane 210, has included angle A 1 between the extended surface of reflecting surface 220 and horizontal plane 210, wherein included angle A 1 is that essence is between 5 degree are spent to 45, and reflecting surface 220 is projected in the ratio of the area of the area of extended surface of horizontal plane 210 and horizontal plane 210, and promptly the area of reflecting surface 220 cosine value that multiply by included angle A 1 is that essence is between 1 to 10 to the ratio of the area of horizontal plane 210.
Diffuser plate 300 is the tops that are arranged at reflecting surface 220 and horizontal plane 210, that is diffuser plate 300 is to be arranged on the light direction of light emitting array 100, and wherein diffuser plate 300, light source 112, horizontal plane 210 and reflecting surface 220 define an air chamber (indicating).Light source 112 is to be adjacent to horizontal plane 210, and light source 112 place light incident sides 230 for example can be: the ostiolate side of catoptric arrangement 200; Or the non-ostiolate supporting element that belongs to catoptric arrangement 200, reflex to diffuser plate 300 in the air chamber again as long as can allow the light of light source 112 enter.Light source 112 for example can be: light emitting diode (LED) light source, and the light source in each luminescence unit 110 112 can be connected with circuit board (figure does not show) or flexible PCB (figure does not show) in addition and forms light-emitting diode light bar (LED light bar).Because near the light the LED luminous position is strong especially, thus need to reduce its reflection light quantity near partial reflection structure 200 designs of led light source, to avoid producing the clear zone; Away from the partial reflection structure 200 of led light source then need design with the profile gradual change and produce uniform light field.In addition, the reflecting surface 220 of present embodiment is not limited to a plane, for example, also can be according to different led light source light types, the shape adjustments of reflecting surface 220 is become a curved design.
Shown in Figure 1A, backlight module of the present invention is the splicing framework of more than one hollow type side-lighting type light-emitting unit 110.Flat light emission 110 provides one to show section post light requirement source, and decides the number and the spacing of led light source according to brightness demand and the size that shows subregion, to reach the high evenness that respectively shows subregion.Therefore, it is relatively easy that present embodiment more directly designs large-sized backlight module; And the sliceable backlight module that goes out arbitrary dimension of framework provided by the present invention in theory.
The production method of the catoptric arrangement of various embodiments of the present invention below is described.
Embodiment 1:
Please refer to Figure 1A and Fig. 2 A, Fig. 2 A is the generalized section that illustrates the catoptric arrangement of one embodiment of the invention.The hollow type side light type back light module with light emitting array of present embodiment includes a backboard 310, and the catoptric arrangement 200 (shown in Figure 1A) of each luminescence unit 110 is formed by supporter 240 and reflector plate 244, wherein reflector plate 244 is made by high reflecting material, and supporter 240 can be made by for example plastic cement or metal material.Supporter 240 is to be positioned on the backboard 310, and has the inclined-plane 241 towards light source 112 and diffuser plate 300.Reflector plate 244 is to be glued on the inclined-plane 241 of supporter 240 by pasting element 242, and forms the reflecting surface 220 of catoptric arrangement 200.240 of light source 112 and supporters have a distance D 1 apart, and the surface 312 of backboard 310 therebetween then becomes the horizontal plane 210 of catoptric arrangement 200.Reflector plate 244 may extend to the surface 312 of the backboard 310 of 240 of light source 112 and supporters.Perhaps, the surface 312 Pastings reflector plate different of backboard 310 with the reflectivity of reflector plate 244.Though the foregoing description is reflector plate 244 to be pasted on the inclined-plane 241 of supporter 240 by pasting element 242, so the invention is not restricted to this, for example, can or evaporate reflecting layer in the direct coating in the surface of supporter 240, to form the reflecting surface 220 of catoptric arrangement 200 with high reflectance.
In addition, please refer to Fig. 2 B, it illustrates the generalized section of the integrated catoptric arrangement of another embodiment of the present invention.Catoptric arrangement 200 is to be made of one piece by reflector plate 244, and reflector plate 244 is to be arranged on the surface 312 and supporter 240 of light incident sides 230, backboard 310.And the side of catoptric arrangement 200 (light incident sides 230) has opening (indicate), and light source 112 is arranged in the opening, reflexes to diffuser plate 300 by allowing the light of light source 112 enter in the air chamber and by reflector plate 244.
Embodiment 2:
Please refer to Figure 1A and Fig. 2 C, Fig. 2 C is the generalized section that illustrates the catoptric arrangement of another embodiment of the present invention.The catoptric arrangement 200 (shown in Figure 1A) of each luminescence unit 110 of present embodiment is formed by supporter 250, wherein supporter 250 is to be positioned on the backboard 310 and to have towards the inclined-plane 251 of light source 112 and diffuser plate 300, and 250 of light source 112 and supporters have a distance D 1 apart.As different from Example 1, the supporter 250 of present embodiment is made by a high reflecting material, so need not paste reflector plate on the inclined-plane 251 of supporter 250, inclined-plane 251 that promptly can supporter 250 is as the reflecting surface 220 of catoptric arrangement 200, and with the surface 312 of the backboard 310 of 250 of light source 112 and the supporters horizontal plane 210 as catoptric arrangement 200.Present embodiment for example can adopt, and the mode of direct injection forms supporter 250.
Embodiment 3:
Please refer to Figure 1A and Fig. 2 D, Fig. 2 D is the generalized section that illustrates the catoptric arrangement of another embodiment of the present invention.The catoptric arrangement 200 (shown in Figure 1A) of each luminescence unit 110 of present embodiment is formed by backboard 320, its dorsulum 320 has a horizontal part 322 and an inclined plane part 324, wherein 324 of light source 112 and inclined plane parts have a distance D 1 apart, the surface 326 of horizontal part 322 therebetween is the horizontal planes 210 in order to formation catoptric arrangement 200, and inclined plane part 324 is in order to form the reflecting surface 220 of catoptric arrangement 200.Present embodiment is pasted reflector plate 264 (high reflecting material) on the surface of the inclined plane part 324 of backboard 320 by pasting element 262, forms the reflecting surface 220 of catoptric arrangement 200, and wherein reflector plate 264 may extend to the surface 326 of backboard 320.In addition, the also Pasting reflector plate different of the surface 326 of backboard 320 with the reflectivity of reflector plate 264.So the invention is not restricted to this, for example, also can directly use high reflecting material to make backboard 320, perhaps have the reflecting layer of high reflectance, to form the reflecting surface 220 of catoptric arrangement 200 in the coating of the surface of the inclined plane part 324 of backboard 320 or evaporation.
In addition, please refer to Fig. 2 E, it illustrates the generalized section of the integrated catoptric arrangement of another embodiment of the present invention.Catoptric arrangement 200 is to be made of one piece by reflector plate 264, and reflector plate 264 is to be arranged on the surface 326 and inclined plane part 324 of light incident sides 230, backboard 320.And the side of catoptric arrangement 200 (light incident sides 230) has opening (indicate), and light source 112 is arranged in the opening, reflexes to diffuser plate 300 again and by reflector plate 244 by allowing the light of light source 112 enter in the air chamber.Reflector plate 264 is to be arranged on the surface 326 and inclined plane part 324 of backboard 320.
In sum, catoptric arrangement 200 of the present invention has multiple production method: shown in Fig. 2 A, fixedly supporter 240 is attached at reflector plate 244 on the inclined-plane 241 of supporter 240 on backboard 310 again; Shown in Fig. 2 B, the difference of itself and Fig. 2 A is that mainly catoptric arrangement 200 is to be made of one piece by reflector plate 244; Shown in Fig. 2 C, can use high reflecting material directly to penetrate the supporter 250 of tool reflection function; Shown in Fig. 2 D, can utilize backboard 320 to turn up inclined plane part 324 with supporting reflex sheet 264, if the angle of fixation reflex sheet 264 and position effectively, perhaps, shown in Fig. 2 E, the difference of itself and Fig. 2 A is that mainly catoptric arrangement 200 can be made of one piece by reflector plate 264.The above-mentioned supporter 240,250 and the design of backboard 320 can be simplified to a plurality of strips unit, to form the luminescence unit row (OK) of the light emitting array 100 shown in Figure 1B, and utilize the outer position of visible area to link mutually, simplify assembly program significantly, and reduce the assembling variation, thereby can flexibly splice the backlight module of large scale and special size.
Configured light sources of the present invention is not limited to one-sided light inlet to catoptric arrangement, other for example both sides or all around light inlet to the mode in the catoptric arrangement also be applicable to the present invention, as long as the collocation suitable pattern catoptric arrangement.
Please refer to Fig. 3 A and Fig. 3 B, Fig. 3 A is the generalized section that illustrates the hollow type side light type back light module with light emitting array of another embodiment of the present invention, and Fig. 3 B is the schematic top plan view that illustrates the light emitting array of another embodiment of the present invention.The hollow type side light type back light module of present embodiment includes light emitting array 400 and diffuser plate 300.In the present embodiment, light emitting array 400 is made up of a plurality of luminescence unit 410, and each luminescence unit 410 is with the catoptric arrangement of light source both sides light inlet to symmetry.Each luminescence unit 410 has the first catoptric arrangement 420a, the second catoptric arrangement 420b, at least one first light source 422a and at least one secondary light source 422a, wherein the first catoptric arrangement 420a and the second catoptric arrangement 420b are mirrors each other, and can be for example integrated structure.The first light source 422a and secondary light source 422b for example can be: light emitting diode (LED) light source.
The first reflecting surface 426a that the first catoptric arrangement 420a has the first horizontal plane 424a and is connected with the first horizontal plane 424a, has first included angle A 2 between the extended surface of the first reflecting surface 426a and the first horizontal plane 424a, and the first light source 422a is adjacent to the first horizontal plane 424a, and the first light source 422a place, the first light incident sides 430a for example can be: the ostiolate side of the first catoptric arrangement 420a; Or the non-ostiolate supporting element that belongs to the first catoptric arrangement 420a.The second reflecting surface 426b that the second catoptric arrangement 420b has the second horizontal plane 424b and is connected with the second horizontal plane 424b, has second included angle A 3 between the extended surface of the second reflecting surface 426b and the second horizontal plane 424b, the second reflecting surface 426b is connected to the first reflecting surface 426a, and secondary light source 422b is adjacent to the second horizontal plane 424b.First included angle A 2 is an essence between 5 degree between 45 degree, and the cosine value that the first reflecting surface 426a multiply by first included angle A 2 is that essence is between 1 to 10 to the ratio of the first horizontal plane 424a.Second included angle A 3 is an essence between 5 degree between 45 degree, and the cosine value that the second reflecting surface 426b multiply by second included angle A 3 is that essence is between 1 to 10 to the ratio of the second horizontal plane 424b.Diffuser plate 300 is the tops that are arranged at the second reflecting surface 426b, the second horizontal plane 424b, the first reflecting surface 426a and the first horizontal plane 424a, and wherein diffuser plate 300, the first light source 422a, the first horizontal plane 424a and the first reflecting surface 426a define one first air chamber (not indicating); Diffuser plate 300, secondary light source 422b, the second horizontal plane 424b and the second reflecting surface 426b then define one second air chamber (not indicating).
The catoptric arrangement of present embodiment is made up of the first catoptric arrangement 420a and the second catoptric arrangement 420b, and the first catoptric arrangement 420a and the second catoptric arrangement 420b are mirrors each other.The production method of the first catoptric arrangement 420a and the second catoptric arrangement 420b below is described.
Embodiment 4:
Please refer to Fig. 3 A and Fig. 4 A, Fig. 4 A is the generalized section that illustrates the catoptric arrangement of another embodiment of the present invention.Present embodiment is to adopt the mode of the making catoptric arrangement 200 shown in Fig. 2 A to make the first catoptric arrangement 420a and the second catoptric arrangement 420b respectively.The hollow type side light type back light module with light emitting array of present embodiment includes a backboard 310, and the first catoptric arrangement 420a is formed by the first supporter 440a and the first reflector plate 444a; The second catoptric arrangement 420b is formed by the second supporter 440b and the second reflector plate 444b.The first supporter 440a is positioned on the backboard 310, and has the inclined-plane 441a towards the first light source 422a and diffuser plate 300; The second supporter 440b is positioned on the backboard 310, and has the inclined-plane 441b towards secondary light source 422b and diffuser plate 300.The first reflector plate 444a pastes element 442a by first to be glued on the inclined-plane 441a of the first supporter 440a; The second reflector plate 444b pastes element 442b by second to be glued on the inclined-plane 441b of the second supporter 440b.Between the first light source 422a and the first supporter 440a one distance D 1 is arranged apart, the surperficial 412a of backboard 310 therebetween then becomes the first horizontal plane 424a of the first catoptric arrangement 420a; Between the secondary light source 432 and the second supporter 440b one distance D 1 is arranged apart, the surperficial 412b of backboard 310 therebetween then becomes the second horizontal plane 424b of the second catoptric arrangement 420b.
In addition, please refer to Fig. 4 B, it illustrates the generalized section of the integrated catoptric arrangement of another embodiment of the present invention.The first catoptric arrangement 420a is made of one piece by the first reflector plate 444a, and the first reflector plate 444a is arranged on the surperficial 412a and the first supporter 440a of the first light incident sides 430a, backboard 310.The second catoptric arrangement 420b is made of one piece by the second reflector plate 444b, and the second reflector plate 444b is arranged on the surperficial 412b and the second supporter 440b of the second light incident sides 430b, backboard 310.And the side of the first catoptric arrangement 420a (the first light incident sides 430a) has opening (not indicating), the first light source 422a is arranged in the opening, reflexes to diffuser plate 300 by allowing the light of the first light source 422a enter in the air chamber and by the first reflector plate 444a; The side of the second catoptric arrangement 420b (the second light incident sides 430b) has opening (not indicating), secondary light source 422b is arranged in the opening, reflexes to diffuser plate 300 by allowing the light of secondary light source 422b enter in the air chamber and by the second reflector plate 444b.
Embodiment 5:
Please refer to Fig. 3 A and Fig. 4 C, Fig. 4 C is the generalized section that illustrates the catoptric arrangement of another embodiment of the present invention.Present embodiment is to adopt the mode of the making catoptric arrangement 200 shown in Fig. 2 C to make the first catoptric arrangement 420a and the second catoptric arrangement 420b respectively.The first catoptric arrangement 420a of present embodiment is formed by the first supporter 450a, wherein the first supporter 450a is positioned on the backboard 310 and has the first inclined-plane 451a towards the first light source 422a and diffuser plate 300, between the first light source 422a and the first supporter 450a one distance D 1 is arranged apart.The second catoptric arrangement 420b of present embodiment is formed by the second supporter 450b, wherein the second supporter 450b is positioned on the backboard 310 and has the second inclined-plane 451b towards secondary light source 422b and diffuser plate 300, between the secondary light source 422b and the second supporter 450b one distance D 1 is arranged apart.As different from Example 4, the first supporter 450a and the second supporter 450b of present embodiment are made by high reflecting material, so need not paste reflector plate on the first inclined-plane 451a and the second inclined-plane 451b, promptly can the first inclined-plane 451a and the second inclined-plane 451b as the first reflecting surface 426a of the first catoptric arrangement 420a and the second reflecting surface 426b of the second catoptric arrangement 420b, and with the surperficial 452a of the backboard 310 between the first light source 422a and the first supporter 450a the first horizontal plane 412a as the first catoptric arrangement 420a; And the surperficial 452b of the backboard 310 between the secondary light source 422b and the second supporter 450b is as the second horizontal plane 412b of the second catoptric arrangement 420b.Present embodiment for example can adopt that the mode of direct injection forms the first supporter 450a and the second supporter 450b, and the first supporter 450a and the second supporter 450b are preferably one-body molded.
Embodiment 6:
Please refer to Fig. 3 A and Fig. 4 D, Fig. 4 D is the generalized section that illustrates the catoptric arrangement of another embodiment of the present invention.Present embodiment is to adopt the mode of the making catoptric arrangement 200 shown in Fig. 2 D to make the first catoptric arrangement 420a and the second catoptric arrangement 420b respectively.The first catoptric arrangement 420a of present embodiment and the second catoptric arrangement 420b are formed by the first backboard 380a and the second backboard 380b respectively.The first backboard 380a has the first horizontal part 472a and the first inclined plane part 474a, wherein between the first light source 422a and the first inclined plane part 474a one distance D 1 is arranged apart, the surperficial 476a of the first horizontal part 472a therebetween is in order to forming the first horizontal plane 412a of the first catoptric arrangement 420a, and the first inclined plane part 474a is in order to form the first reflecting surface 426a of the first catoptric arrangement 420a.The second backboard 380b has the second horizontal part 472b and the second inclined plane part 474b, wherein between the secondary light source 422b and the second inclined plane part 474b one distance D 1 is arranged apart, the surperficial 476b of the second horizontal part 472b therebetween is in order to forming the second horizontal plane 412b of the second catoptric arrangement 420b, and the second inclined plane part 474b is in order to form the second reflecting surface 426b of the second catoptric arrangement 420b.And the first backboard 380a and the second backboard 380b are preferably one-body molded.
Present embodiment is pasted element 462a by first and is pasted the first reflector plate 464a on the surface of the first inclined plane part 424a of the first backboard 380a, form the first reflecting surface 426a of the first catoptric arrangement 420a, wherein the first reflector plate 426a may extend to the surperficial 476a of the first backboard 380a; And paste element 462b by second and paste the second reflector plate 464b on the surface of the second inclined plane part 424b of the second backboard 380b, form the second reflecting surface 426a of the second catoptric arrangement 420b, wherein the second reflector plate 426b may extend to the surperficial 476b of the second backboard 380b.
In addition, please refer to Fig. 4 E, it illustrates the generalized section of the integrated catoptric arrangement of another embodiment of the present invention.The first catoptric arrangement 420a is made of one piece by the first reflector plate 464a, and the first reflector plate 464a is arranged on the surperficial 476a and the first inclined plane part 424a of the first light incident sides 430a, the first backboard 380a.The second catoptric arrangement 420b is made of one piece by the second reflector plate 464b, and the second reflector plate 464b is arranged on the surperficial 476b and the second inclined plane part 424b of the second light incident sides 430b, the second backboard 380b.The first reflector plate 464a and the second reflector plate 464b are preferably one-body molded.And the side of the first catoptric arrangement 420a (the first light incident sides 430a) has opening (not indicating), the first light source 422a is arranged in the opening, reflexes to diffuser plate 300 again and by the first reflector plate 464a by allowing the light of the first light source 422a enter in the air chamber; The side of the second catoptric arrangement 420b (the second light incident sides 430b) has opening (not indicating), secondary light source 422b is arranged in the opening, reflexes to diffuser plate 300 again and by the second reflector plate 464b by allowing the light of secondary light source 422b enter in the air chamber.
Because the technical staff in the technical field that the present invention belongs to should learn the mode of making the first catoptric arrangement 420a and the second catoptric arrangement 420b, so do not give unnecessary details in addition at this by above about making the explanation of catoptric arrangement 200.
Please refer to Fig. 5, it illustrates the generalized section of the display of one embodiment of the invention.The display of present embodiment comprises the above-mentioned hollow type side light type back light module with light emitting array (is representative with the structure shown in Fig. 2 B) at least; And a display floater 330, wherein display floater 330 is arranged on the top of diffuser plate 300.
By the embodiment of the invention described above as can be known, use advantage of the present invention and be: with hollow type reflector plate framework collocation side-light type light source, thereby can save the weight of LGP, satisfy the lightening demand of product; Can implement the part control that flickers effectively; Can carry out modularization,, and flexibly splice the backlight module of large scale and special size with simplified design and number of assembling steps and convenient for maintaining.
Though the present invention discloses as above with embodiment; right its is not in order to qualification the present invention, any those of ordinary skill in the art, 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 defines and is as the criterion when looking the claim scope.
Claims (24)
1. hollow type side light type back light module with light emitting array is characterized in that described backlight module comprises:
One light emitting array, formed by a plurality of luminescence unit, wherein each described these luminescence unit has a catoptric arrangement and at least one light source, the reflecting surface that described catoptric arrangement has a horizontal plane and is connected with described horizontal plane, have an angle between the extended surface of described reflecting surface and described horizontal plane, described light source is to be adjacent to described horizontal plane; And
One diffuser plate is arranged at the top of described reflecting surface and described horizontal plane, and wherein said diffuser plate, described light source, described horizontal plane and described reflecting surface define an air chamber.
2. the hollow type side light type back light module with light emitting array as claimed in claim 1 it is characterized in that described backlight module more comprises a backboard, and each described these luminescence unit comprises:
One supporter is positioned on the described backboard and has a inclined-plane towards described light source and described diffuser plate; And
One reflector plate is pasted on the described inclined-plane of described supporter, and forms the described reflecting surface of described catoptric arrangement;
The surface of the described backboard between wherein said light source and described supporter is the described horizontal plane of described catoptric arrangement.
3. the hollow type side light type back light module with light emitting array as claimed in claim 1 it is characterized in that described backlight module more comprises a backboard, and each described these luminescence unit comprises:
One supporter, be positioned on the described backboard and have a inclined-plane towards described light source and described diffuser plate, wherein said supporter is made by a high reflecting material, the described inclined-plane of described supporter is the described reflecting surface of described catoptric arrangement, and the surface of the described backboard between described light source and described supporter is the described horizontal plane of described catoptric arrangement.
4. the hollow type side light type back light module with light emitting array as claimed in claim 1 is characterized in that, wherein each described these luminescence unit comprises:
One backboard has a horizontal part and an inclined plane part, and wherein said horizontal part forms the described horizontal plane of described catoptric arrangement, and described inclined plane part forms the described reflecting surface of described catoptric arrangement.
5. the hollow type side light type back light module with light emitting array as claimed in claim 4 is characterized in that described backlight module more comprises a reflector plate, and it is pasted on described inclined plane part.
6. the hollow type side light type back light module with light emitting array as claimed in claim 1 is characterized in that described light source is at least one LED source.
7. the hollow type side light type back light module with light emitting array as claimed in claim 1 is characterized in that, described angle is that essence is between 5 degree are spent to 45.
8. the hollow type side light type back light module with light emitting array as claimed in claim 1 is characterized in that, the cosine value that the area of described reflecting surface multiply by described angle is that essence is between 1 to 10 to the ratio of the area of described horizontal plane.
9. the hollow type side light type back light module with light emitting array as claimed in claim 1, it is characterized in that, described catoptric arrangement is to be made of one piece by a reflector plate, and a side of described catoptric arrangement has an opening, and described light source is arranged in the described opening.
10. the hollow type side light type back light module with light emitting array as claimed in claim 9, it is characterized in that, described backlight module more comprises a backboard and a supporter, described supporter is positioned on the described backboard and has towards an inclined-plane of described light source and described diffuser plate, and described catoptric arrangement is to be positioned on the described inclined-plane and described backboard of described supporter.
11. the hollow type side light type back light module with light emitting array as claimed in claim 9 is characterized in that described backlight module more comprises a backboard, described backboard has a horizontal part and an inclined plane part, and described catoptric arrangement is to be positioned on the described backboard.
12. the hollow type side light type back light module with light emitting array is characterized in that described backlight module comprises:
One light emitting array is made up of a plurality of luminescence unit, and wherein each described these luminescence unit has one first catoptric arrangement, one second catoptric arrangement, at least one first light source and at least one secondary light source; Wherein
One first reflecting surface that described first catoptric arrangement has one first horizontal plane and is connected with described first horizontal plane, have one first angle between the extended surface of described first reflecting surface and described first horizontal plane, described first light source is to be adjacent to described first horizontal plane;
One second reflecting surface that described second catoptric arrangement has one second horizontal plane and is connected with described second horizontal plane, has one second angle between the extended surface of described second reflecting surface and described second horizontal plane, described second reflecting surface is to be connected to described first reflecting surface, and described secondary light source is to be adjacent to described second horizontal plane; And
One diffuser plate, be arranged at the top of described second reflecting surface, described second horizontal plane, described first reflecting surface and described first horizontal plane, wherein said diffuser plate, described first light source, described first horizontal plane and described first reflecting surface define one first air chamber, and described diffuser plate, described secondary light source, described second horizontal plane and described second reflecting surface then define one second air chamber.
13. the hollow type side light type back light module with light emitting array as claimed in claim 12 is characterized in that, described first catoptric arrangement and described second catoptric arrangement are the structures that is formed in one.
14. the hollow type side light type back light module with light emitting array as claimed in claim 12 is characterized in that, described first catoptric arrangement and described second catoptric arrangement are mirrors each other.
15. the hollow type side light type back light module with light emitting array as claimed in claim 12 it is characterized in that described backlight module more comprises a backboard, and each described these luminescence unit comprises:
One first supporter is positioned on the described backboard and has one first inclined-plane towards described first light source and described diffuser plate;
One first reflector plate, be pasted on described first inclined-plane of described first supporter, and forming described first reflecting surface of described first catoptric arrangement, the surface of the described backboard between wherein said first light source and described first supporter is described first horizontal plane of described first catoptric arrangement;
One second supporter is positioned on the described backboard and has one second inclined-plane towards described secondary light source and described diffuser plate; And
One second reflector plate, be pasted on described second inclined-plane of described second supporter, and forming described second reflecting surface of described second catoptric arrangement, the surface of the described backboard between wherein said secondary light source and described second supporter is described second horizontal plane of described second catoptric arrangement.
16. the hollow type side light type back light module with light emitting array as claimed in claim 12 it is characterized in that described backlight module more comprises a backboard, and each described these luminescence unit comprises:
One first supporter, be positioned on the described backboard and have one first inclined-plane towards described first light source and described diffuser plate, wherein said first supporter is made by one first high reflecting material, described first inclined-plane of described first supporter is described first reflecting surface of described first catoptric arrangement, and the surface of the described backboard between described first light source and described first supporter is described first horizontal plane of described first catoptric arrangement; And
One second supporter, be positioned on the described backboard and have one second inclined-plane towards described secondary light source and described diffuser plate, wherein said second supporter is made by one second high reflecting material, described second inclined-plane of described second supporter is described second reflecting surface of described second catoptric arrangement, and the surface of the described backboard between described secondary light source and described second supporter is described second horizontal plane of described second catoptric arrangement.
17. the hollow type side light type back light module with light emitting array as claimed in claim 12 is characterized in that, wherein each described these luminescence unit comprises:
One backboard, have one first horizontal part, one first inclined plane part, one second horizontal part and one second inclined plane part, wherein said first horizontal part forms described first horizontal plane of described first catoptric arrangement, described first inclined plane part forms described first inclined-plane of described first catoptric arrangement, described second horizontal part forms described second horizontal plane of described second catoptric arrangement, and described second inclined plane part forms described second inclined-plane of described second catoptric arrangement.
18. the hollow type side light type back light module with light emitting array as claimed in claim 12 is characterized in that described first light source and described secondary light source are LED sources.
19. the hollow type side light type back light module with light emitting array as claimed in claim 12 is characterized in that, described first angle is that essence is between 5 degree are spent to 45.
20. the hollow type side light type back light module with light emitting array as claimed in claim 12 is characterized in that, described second angle is that essence is between 5 degree are spent to 45.
21. the hollow type side light type back light module with light emitting array as claimed in claim 12, it is characterized in that the cosine value that the area of described first reflecting surface multiply by described first angle is that essence is between 1 to 10 to the ratio of the area of described first horizontal plane.
22. the hollow type side light type back light module with light emitting array as claimed in claim 12, it is characterized in that the cosine value that the area of described second reflecting surface multiply by described second angle is that essence is between 1 to 10 to the ratio of the area of described second horizontal plane.
23. the hollow type side light type back light module with light emitting array as claimed in claim 12, it is characterized in that, wherein said first catoptric arrangement is to be made of one piece by one first reflector plate, described second catoptric arrangement is to be made of one piece by one second reflector plate, and a side of described first catoptric arrangement has one first opening, one side of described second catoptric arrangement has one second opening, described first light source is arranged in described first opening, and described secondary light source is arranged in described second opening.
24. a display is characterized in that, described display comprises:
As claim 1 or 7 described hollow type side light type back light modules with light emitting array; And
One display floater is arranged on described top with hollow type side light type back light module of light emitting array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910134339XA CN101520149B (en) | 2009-04-14 | 2009-04-14 | Hollow side light type backlight module with light-emitting array and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910134339XA CN101520149B (en) | 2009-04-14 | 2009-04-14 | Hollow side light type backlight module with light-emitting array and display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101520149A true CN101520149A (en) | 2009-09-02 |
| CN101520149B CN101520149B (en) | 2013-04-10 |
Family
ID=41080883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910134339XA Active CN101520149B (en) | 2009-04-14 | 2009-04-14 | Hollow side light type backlight module with light-emitting array and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101520149B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011989A (en) * | 2011-01-13 | 2011-04-13 | 上海向隆电子科技有限公司 | Backlight module and liquid crystal display device |
| CN102374455A (en) * | 2010-08-18 | 2012-03-14 | Lg伊诺特有限公司 | Backlight unit and display apparatus using the same |
| WO2012071749A1 (en) * | 2010-11-30 | 2012-06-07 | 深圳市华星光电技术有限公司 | Splicing type light guide plate structure and backlight module |
| CN102620211A (en) * | 2012-04-05 | 2012-08-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN103000094A (en) * | 2012-02-28 | 2013-03-27 | 天地融科技股份有限公司 | Electronic device |
| WO2013127247A1 (en) * | 2012-02-28 | 2013-09-06 | 天地融科技股份有限公司 | Electronic device |
| WO2013127250A1 (en) * | 2012-02-28 | 2013-09-06 | 天地融科技股份有限公司 | Electronic device |
| CN103727456A (en) * | 2012-10-12 | 2014-04-16 | 林万炯 | Lighting lamp |
| CN105867014A (en) * | 2015-02-11 | 2016-08-17 | Lg电子株式会社 | Backlight unit and display apparatus including the same |
| KR20170124036A (en) * | 2016-04-29 | 2017-11-09 | 엘지이노텍 주식회사 | Lighting module and lighting apparatus |
| CN113985656A (en) * | 2021-10-27 | 2022-01-28 | 合肥京东方光电科技有限公司 | Backlight source, backlight module and display device |
| DE102022202183A1 (en) | 2022-03-03 | 2023-09-07 | Robert Bosch Gesellschaft mit beschränkter Haftung | Backlight unit for display system, display system, method for operating a display system and control unit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434586Y (en) * | 2000-07-21 | 2001-06-13 | 台湾得意温控科技股份有限公司 | Light hood temp control indicator for freezing air conditioner |
| CN100489625C (en) * | 2004-06-30 | 2009-05-20 | 胜华科技股份有限公司 | Back light module combining light source and back light color switching function |
| CN101071226B (en) * | 2006-05-09 | 2012-10-17 | 比亚迪股份有限公司 | Backlight source for liquid crystal display device and liquid crystal display device using same |
-
2009
- 2009-04-14 CN CN200910134339XA patent/CN101520149B/en active Active
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374455A (en) * | 2010-08-18 | 2012-03-14 | Lg伊诺特有限公司 | Backlight unit and display apparatus using the same |
| CN102374455B (en) * | 2010-08-18 | 2016-01-20 | Lg伊诺特有限公司 | The display device of back light unit and this back light unit of use |
| WO2012071749A1 (en) * | 2010-11-30 | 2012-06-07 | 深圳市华星光电技术有限公司 | Splicing type light guide plate structure and backlight module |
| CN102011989A (en) * | 2011-01-13 | 2011-04-13 | 上海向隆电子科技有限公司 | Backlight module and liquid crystal display device |
| CN103217833B (en) * | 2012-02-28 | 2015-09-16 | 天地融科技股份有限公司 | A kind of electronic equipment |
| CN103000094B (en) * | 2012-02-28 | 2015-09-16 | 天地融科技股份有限公司 | A kind of electronic equipment |
| CN103217833A (en) * | 2012-02-28 | 2013-07-24 | 天地融科技股份有限公司 | Electronic device |
| CN103218955A (en) * | 2012-02-28 | 2013-07-24 | 天地融科技股份有限公司 | Electronic device |
| WO2013127247A1 (en) * | 2012-02-28 | 2013-09-06 | 天地融科技股份有限公司 | Electronic device |
| WO2013127250A1 (en) * | 2012-02-28 | 2013-09-06 | 天地融科技股份有限公司 | Electronic device |
| CN103218955B (en) * | 2012-02-28 | 2015-10-28 | 天地融科技股份有限公司 | A kind of electronic equipment |
| CN103035176B (en) * | 2012-02-28 | 2015-08-05 | 天地融科技股份有限公司 | A kind of electronic equipment |
| CN103000094A (en) * | 2012-02-28 | 2013-03-27 | 天地融科技股份有限公司 | Electronic device |
| CN103035176A (en) * | 2012-02-28 | 2013-04-10 | 天地融科技股份有限公司 | Electronic equipment |
| CN102620211A (en) * | 2012-04-05 | 2012-08-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN103727456A (en) * | 2012-10-12 | 2014-04-16 | 林万炯 | Lighting lamp |
| CN103727456B (en) * | 2012-10-12 | 2016-11-16 | 赛尔富电子有限公司 | A kind of lighting |
| CN105867014A (en) * | 2015-02-11 | 2016-08-17 | Lg电子株式会社 | Backlight unit and display apparatus including the same |
| CN105867014B (en) * | 2015-02-11 | 2020-05-01 | Lg电子株式会社 | Backlight unit and display device including the same |
| KR20170124036A (en) * | 2016-04-29 | 2017-11-09 | 엘지이노텍 주식회사 | Lighting module and lighting apparatus |
| KR102565959B1 (en) | 2016-04-29 | 2023-08-14 | 엘지이노텍 주식회사 | Lighting module and lighting apparatus |
| CN113985656A (en) * | 2021-10-27 | 2022-01-28 | 合肥京东方光电科技有限公司 | Backlight source, backlight module and display device |
| CN113985656B (en) * | 2021-10-27 | 2023-12-26 | 合肥京东方光电科技有限公司 | Backlight source, backlight module and display device |
| DE102022202183A1 (en) | 2022-03-03 | 2023-09-07 | Robert Bosch Gesellschaft mit beschränkter Haftung | Backlight unit for display system, display system, method for operating a display system and control unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101520149B (en) | 2013-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101520149B (en) | Hollow side light type backlight module with light-emitting array and display | |
| CN101281319A (en) | Directly-down backlight module as well as LCD device using the same | |
| TWI403804B (en) | Hollow edge-type backlight module with light-emitting array and display apparatus | |
| CN101165566A (en) | Direct type backlight module group | |
| CN101526185A (en) | LED backlight module | |
| CN202158424U (en) | Backlight module and liquid crystal display apparatus | |
| CN103090271A (en) | Novel straight down type backlight module and liquid crystal display television (LCD TV) | |
| CN102175002A (en) | Backlight module and display device | |
| CN201218442Y (en) | Backlight module and LCD device containing the same | |
| US20070058395A1 (en) | Light guide plate with reflective layer and backlight module and liquid crystal display with same | |
| CN101169541A (en) | Reflector plate and backlight module possessing the reflector plate | |
| CN110908191A (en) | Display module and display device | |
| CN201803316U (en) | Backlight guide plate | |
| CN202253374U (en) | Optical film, direct-type back light module and display device | |
| CN207408713U (en) | Has the backlight module of local dimming effect | |
| US9405149B2 (en) | Direct backlight module | |
| CN101509640B (en) | Back light module and liquid crystal display device | |
| CN201184944Y (en) | Backlight module unit | |
| US8944663B2 (en) | Light guide plate and backlight module having V-cut structure | |
| US7347609B2 (en) | Direct backlight modules | |
| CN201487723U (en) | Backlight module and liquid crystal display device | |
| CN200993709Y (en) | Backlight module | |
| KR101695286B1 (en) | Back light unit and method for assembling the same | |
| CN110161747A (en) | The display device of backlight module and application the mould group | |
| KR101658145B1 (en) | Back light unit and method for assembling the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |