CN104048222B - Area light source packaging LED and 3D-LED display system with same - Google Patents
Area light source packaging LED and 3D-LED display system with same Download PDFInfo
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- CN104048222B CN104048222B CN201410321799.4A CN201410321799A CN104048222B CN 104048222 B CN104048222 B CN 104048222B CN 201410321799 A CN201410321799 A CN 201410321799A CN 104048222 B CN104048222 B CN 104048222B
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Abstract
The invention relates to an area light source packaging LED and a 3D-LED display system with the air light source packaging LED. The air light source packaging LED comprises a bearing board, N LED chips, a barrier frame, a plurality of reflection films and optical filler, wherein the bearing board is provided with LED cathode interfaces and anode interfaces, and cathodes of the LED chips and anodes of the LED chips are connected to the cathode interfaces and the anode interfaces on the bearing board. The LED chips are located in the barrier frame. The reflection films are arranged on the inner wall of the barrier frame. The barrier frame is filled with the optical filler. The outer surface, facing audiences, of the optical filler further comprises a light equalization layer. When the LED is in operation, an area light source is obtained by an observer. According to the air light source packaging LED and the 3D-LED display system with the air light source packaging LED, light emitted by an LED screen is even and soft, a black matrix is avoided, and the problems of moire fringes and the like are solved in an existing 3D-LED at the same time.
Description
Technical field
The present invention relates to field of LED display, particularly a kind of area source encapsulation LED and 3D-LED display system.
Background technology
If Fig. 1 is existing LED screen structure, it may be seen that there is black matrix (002) between LED pixel point (001), this
Sample certainly will shine into the problems such as aperture opening ratio is little, light is the softest, point source is more dazzling.Meanwhile, when for 3D-LED being, owing to existing
Black matrix and grating fringe between periodic arrangement can cause Moire fringe, affect the viewing effect of beholder.
Prior art solves LED black matrix or solution 3D-LED Moire fringe there is also some problems.As
The naked-eye stereoscopic display device of the interference fringe without More that CN200710048223.5 provides and method, one of its structure is to pass through
Diffuser screen coordinates with raster pattern 3D naked-eye stereoscopic display and eliminates More's interference fringe, is by grating table after its structure
The mode of face plating anti-reflection film eliminates More's interference fringe, although both approaches can cross solution Moire fringe, but adjacent it
Between pixel crosstalk can occur, i.e. due to diffuser screen or the effect of anti-reflection film, the light of next door pixel can be gone to send out in this pixel
Raw mixed light, the impact brought for 2D shows is that picture fogs, and image quality is deteriorated, and then can observe not for 3D-LED
To stereoeffect.Its description does not proposes yet to solve the cross-interference issue between neighbor and solution simultaneously.
To sum up, there is black matrix in existing LED screen, luminous, so luminescence is more dazzling for point due to LED pixel again.Meanwhile,
When being applied in 3D-LED three-dimensional display system, black matrix and grating slit can produce Moire fringe affects viewing effect.Therefore
And the problem that present invention mainly solves uniformly softens for LED screen luminescence being become, and solve black matrix, also solve 3D-simultaneously
The problems such as the Moire fringe in LED, and the one of cross-interference issue that the solution carried for other patents some is brought
Improvement and optimization.
Summary of the invention
It is an object of the invention to provide a kind of area source encapsulation LED and 3D-LED display system so that LED screen is luminous
Become uniformity and soft degree, and by reducing LED black matrix, solve 3D-LED produces due to black matrix and grating interference
Raw Moire fringe problem.
For achieving the above object, the technical scheme is that a kind of area source encapsulation LED, including, a loading plate, institute
State on loading plate containing LED cathode and anode interface；N number of LED chip, the negative electrode of described LED chip and anode connect institute respectively
State the negative electrode on loading plate and anode interface；One barrier frame, described LED chip is inside described barrier frame；Some reflectance coatings,
Described reflectance coating is arranged on described barrier frame inwall；And the optical filling body being filled in barrier frame, described optical filling
Dignity also includes one layer of equal photosphere to the outer surface of spectators, and wherein N is natural number, and N=1 or N >=3.
In an embodiment of the present invention, described equal photosphere is the optical texture of physics and chemistry at described optical filling external surface；
Wherein, the optical texture of described place physics and chemistry includes: etching processing and frosted process to be formed has unrestrained transmitting or scattering properties
Optical texture.
In an embodiment of the present invention, described equal photosphere be independent of described optical filling body outside optical material, institute
State equal photosphere to be arranged on described optical filling body；Described optical material includes: polymer scattering layer, phosphor powder layer or quantum
Blooming.
In an embodiment of the present invention, described optical filling body is made up of at least one of which obturator.
In an embodiment of the present invention, described N is 3, and described LED chip comprises three kinds of monochromatic LED chips of red, green, blue,
Show for color LED screen.
In an embodiment of the present invention, described N is 1, and described LED chip uses UV-LED chip；Described equal photosphere is
One-color fluorescence bisque, and the one-color fluorescence powder of described one-color fluorescence bisque includes: red light fluorescent powder, blue light fluorescent powder and green glow are glimmering
Light powder, is respectively used to be converted into UV light the monochromatic light of red, green and blue, and UV-LED point source is changed into area source.
In an embodiment of the present invention, described N is 1, and described LED chip uses blue-light LED chip；Described equal photosphere bag
Include one-color fluorescence bisque and the equal photosphere of optical texture；The one-color fluorescence powder of described one-color fluorescence bisque includes: red light fluorescent powder and
Green light fluorescent powder, is respectively used to be converted into blue light red and green monochromatic light；The equal photosphere of described optical texture includes: frosted processes
Or etching processing obturator outer surface.
In an embodiment of the present invention, described one-color fluorescence bisque can be replaced monochromatic quantum dot blooming.
In an embodiment of the present invention, described area source encapsulation LED is applicable to whole screen LED screen；Described barrier frame is square
Body or non-square body；When described barrier frame is non-square body, between adjacent described barrier frame, it is provided with the heat radiation for dispelling the heat, cooling down
Passage.
Present invention also offers a kind of 3D-LED display system using area source as described above encapsulation LED, including one
Use the described area source encapsulation LED screen of LED, a spectro-grating and a drives assembly.
Compared to prior art, the method have the advantages that the present invention utilizes equal photosphere LED point light source to be dissipated
Become area source, make pixel softer, also make LED screen black matrix eliminate or reduce；Utilize barrier to adjacent light simultaneously
Source isolates, and prevents crosstalk；Again due to elimination or the reduction of LED screen black matrix, also solve in 3D-LED display system
Moire fringe problem, improves stereo display performance.
Accompanying drawing explanation
Fig. 1 is tradition LED screen structural representation.
A kind of area source packaged LED structure schematic diagram that Fig. 2 provides for first embodiment of the invention.
A kind of area source packaged LED structure schematic diagram that Fig. 3 provides for second embodiment of the invention.
A kind of area source packaged LED structure schematic diagram that Fig. 4 provides for third embodiment of the invention.
A kind of area source packaged LED structure schematic diagram that Fig. 5 provides for fourth embodiment of the invention.
A kind of based on slit grating the stereo display system without Moire fringe that Fig. 6 provides for fifth embodiment of the invention
System.
A kind of based on cylindrical grating the stereo display system without Moire fringe that Fig. 7 provides for sixth embodiment of the invention
System.
In figure, 001 is LED pixel point, and 002 is black matrix,
011,021,031,041 is loading plate,
012,022,032 is LED chip, and 042,0420 is blue-light LED chip,
013,023,033,043 is barrier frame,
014,024,034,044 is reflectance coating,
015,025,035,045 is optical filling body,
0151 is primary packed layer, and 0152 is secondary packed layer,
016,026,036,046 is equal photosphere,
0361 is red light fluorescent powder layer, and 0362 is blue light emitting phosphor layer, and 0363 is green-emitting fluorescent bisque,
017,037,047 is heat dissipation channel,
0461 is red light fluorescent powder layer, and 0462 is green-emitting fluorescent bisque, and 0463 is diffuse-reflectance optical texture,
51,61 is drives assembly, and 52,62 is LED screen, and 53 is slit grating, and 63 is Lenticular screen.
Detailed description of the invention
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
The present invention provides a kind of area source encapsulation LED, including, a loading plate, containing LED cathode and sun on described loading plate
Pole interface；N number of LED chip, the negative electrode of described LED chip and anode connect the negative electrode on described loading plate respectively and anode connects
Mouthful；One barrier frame, described LED chip is inside described barrier frame；Some reflectance coatings, described reflectance coating is arranged at described barrier
On frame inwall；And the optical filling body being filled in barrier frame, described optical filling dignity also includes to the outer surface of spectators
One layer of equal photosphere, when LED operation, observer obtains flat light source；Wherein N is natural number, and N=1 or N >=3.
The present invention also provides for a kind of 3D-LED display system using area source as described above encapsulation LED simultaneously, including
One uses the described area source encapsulation LED screen of LED, a spectro-grating and drives assembly；Described spectro-grating includes slit
Grating and Lenticular screen；The LED screen black matrix of described area source encapsulation LED is little, can effectively alleviate not in stereo display
That striped.
It it is below the specific embodiment of the present invention.
First embodiment
Such as Fig. 2, provide a kind of area source encapsulation LED in the first embodiment of the invention, including:
One loading plate (011), described loading plate (011) is upper containing LED cathode and anode interface；
N number of LED chip (012), the negative electrode of described LED chip (012) and anode connect on described loading plate (011) respectively
Negative electrode and anode interface；
One barrier frame (013), it is internal that described LED chip (012) is positioned at described barrier frame (013)；
Some reflectance coatings (014), described reflectance coating (014) is arranged on described barrier frame (013) inwall；
And the optical filling body (015) (removing reflectance coating (014) region) in being filled in barrier frame (013), described light
Obturator (015) also includes one layer of equal photosphere (016) towards the outer surface of spectators, and when LED operation, observer obtains planar
Light source；
Furthermore, a kind of area source encapsulation its equal photosphere (016) of LED that the present invention provides can be that described optics is filled out
Fill the optical texture of physics and chemistry at external surface；Can process to be formed by etching processing or frosted and there is unrestrained transmitting or scattering properties
Optical texture；Preferred diffuse-reflectance optical texture in the present embodiment, as shown in Figure 2；
For further, a kind of area source encapsulation LED that the present invention provides, described optical filling body (015) is permissible
Being one layer, two-layer or multilamellar composition, as the present embodiment uses two-layer filling mode, primary packed layer (0151) is near LED core
At sheet, secondary packed layer (0152) is arranged on described primary packed layer (0151), and primary packed layer (0151) is used for encapsulating
Fixing LED chip (012), is also convenient for the filling of secondary packed layer (0152) simultaneously；
For further, a kind of area source encapsulation LED that the present invention provides, its LED chip (012) can be single-chip
Or multi-chip, can be monochromatic LED, it is also possible to for multi-colored led, such as red-green-blue.Preferably comprise in the present embodiment red,
The LED chip of three primary colours green, blue, shows for color LED screen；
It is noted that a kind of area source encapsulation LED that the present invention provides, can be used for whole screen LED screen；Described barrier frame
(014) it is square body or non-square body；When described barrier frame (014) is non-square body, set between adjacent described barrier frame (014)
There is the heat dissipation channel (017) for dispelling the heat, cooling down；Such as Fig. 2, the most preferred tapered barrier frame (014), correspondence is adjacent
Heat dissipation channel (017) is comprised between LED pixel point.
Second embodiment
As it is shown on figure 3, provide a kind of area source encapsulation LED in second embodiment of the invention, including:
One loading plate (021), described loading plate (021) is upper containing LED cathode and anode interface；
N number of LED chip (022), the negative electrode of described LED chip (022) and anode connect on described loading plate (021) respectively
Negative electrode and anode interface；
One barrier frame (023), it is internal that described LED chip (022) is positioned at described barrier frame (023)；
Some reflectance coatings (024), described reflectance coating (024) is arranged on described barrier frame (023) inwall；
And the optical filling body (025) (removing reflectance coating (024) region) in being filled in barrier frame (023), described light
Obturator (025) also includes one layer of equal photosphere (026) towards the outer surface of spectators, and when LED operation, observer obtains planar
Light source；
Furthermore, a kind of area source encapsulation LED that the present invention provides, its described equal photosphere (026) is for independent of institute
Stating the optical material outside optical filling body (025), described equal photosphere (026) is arranged on described optical filling body (025),
Described optical material includes: polymer scattering layer, phosphor powder layer or quantum optices film；Preferred polymers scattering in the present embodiment
Layer, such as Fig. 3.
Still further, a kind of area source encapsulation LED that the present invention provides, its described optical filling body (025) is permissible
It is one layer, two-layer or multilamellar obturator composition；For saving into product cost, the present embodiment is preferably filled with the monolayer that body disposable injects
Packed layer；
For further, a kind of area source encapsulation LED that the present invention provides, its LED chip can be single-chip or many
Chip, can be monochromatic LED, it is also possible to for multi-colored led, such as red-green-blue.For saving into product cost, in the present embodiment
Preferably monochromatic red LED chip.
The present embodiment is used for smaller screen low-end product, it is contemplated that production cost, so not setting heat dissipation channel.
3rd embodiment
As shown in Figure 4, invention the 3rd embodiment provides a kind of area source encapsulation LED, including:
One loading plate (031), described loading plate (031) is upper containing LED cathode and anode interface；
N number of LED chip (032), negative electrode and the anode of described LED chip (032) connect the moon on described loading plate respectively
Pole and anode interface；
One barrier frame (033), it is internal that described LED chip (032) is positioned at described barrier frame (033)；
Some reflectance coatings (034), described reflectance coating (034) is arranged on described barrier frame (033) inwall；
And the optical filling body (035) (removing reflectance coating (034) region) in being filled in barrier frame (033), described light
Obturator (035) also includes one layer of equal photosphere (036) towards the outer surface of spectators, and when LED operation, observer obtains planar
Light source；
Furthermore, in the present embodiment, described equal photosphere (036) be independent of described optical filling body (035) it
Outer optical material is made, and described equal photosphere (036) is arranged on optical filling body (035), described equal photosphere (036)
Material can be fluorescent material or quantum optices film, in the present embodiment preferred fluorescent material；
As shown in Figure 4, further for, described LED chip (032) use UV-LED chip, described equal photosphere (036)
Comprise many group one-color fluorescence bisque, respectively red light fluorescent powder layer (0361), green-emitting fluorescent bisque (0362) and blue light fluorescent powder
Layer (0363), i.e. shown in figure, three sub-pixels are from left to right respectively rgb pixels.Described one-color fluorescence bisque effect one
Being to be converted into by UV light respectively the monochromatic light of red, green and blue, effect two is UV-LED point source is changed into area source.
Still further, a kind of area source encapsulation LED that the present invention provides, its described optical filling body (035) is permissible
It is one layer, two-layer or multilamellar obturator composition；For saving into product cost, the present embodiment is preferably filled with the monolayer that body disposable injects
Packed layer；
It is noted that a kind of area source encapsulation LED that the present invention provides, can be used for whole screen LED screen；Described barrier frame
(033) it is square body or non-square body；Described barrier frame (033) is non-square body, is provided with between adjacent described barrier frame (033)
For the heat dissipation channel (037) dispelling the heat, cooling down；Such as Fig. 3, the most preferred trapezoidal barrier frame.
4th embodiment
As it is shown in figure 5, a kind of area source encapsulation LED that fourth embodiment of the invention provides, it is that UV-LED chip is made into
Blue-light LED chip (042) and (0420), corresponding blue-ray LED sub-pixel then need not add phosphor powder layer, the substitute is as
Embodiment one provides the diffuse-reflectance optical texture (0463) being arranged at optical filling body (045) outer surface；In the present embodiment,
Blue light is to use the outer surface to optical filling body (045) to carry out graining out generation diffuse-reflectance optical texture (0463)；And
The blue light that corresponding LED sub-pixel red, green then uses blue-light LED chip to produce excites red light fluorescent powder layer (0461), green respectively
Emitting phosphor layer (0462) gained.
As it is shown in figure 5, the area source encapsulation LED of the LED sub-pixel a kind of red, green of the present embodiment offer is as described below, bag
Contain: a loading plate (041), the blue-light LED chip being arranged on loading plate (042), one taper is set in blue-light LED chip surrounding
Barrier frame (043), is arranged at the reflectance coating (044) of barrier frame inwall, is filled in barrier frame (043) and (removes reflectance coating (044)
Region) optical filling body (045), and be arranged at one layer of red light fluorescent powder layer on described optical filling external (045) surface
And green-emitting fluorescent bisque (0462) (0461), when LED operation, blue-light LED chip (042) activates red light fluorescent powder layer
Or green-emitting fluorescent bisque (0462) make it send HONGGUANG or green glow (0461).
And the area source packaged LED structure of a kind of blue-ray LED sub-pixel provided in the present embodiment is as described below, bag
Contain: a loading plate (041), the blue-light LED chip being arranged on loading plate (0420), set in blue-light LED chip (0420) surrounding
Put taper barrier frame (043), be arranged at the reflectance coating (044) of barrier frame inwall, be filled in barrier frame (043) and (remove anti-
Penetrate film (044) region) optical filling body (045), optical filling body (045) towards the outer surface of spectators through frosted or etching
Form unrestrained transmitting optics structure (0463), the most preferred graining process.When LED operation, blue-ray LED (0420)
Point source forms area source blue-ray LED through the matte surface of optical filling body (045).
It is to use UV-LED chip or blue-light LED chip to activate one-color fluorescence bisque to obtain three in embodiment three and four
Primary lights, and actual should in can also use quantum dot blooming replace phosphor powder layer, be not discussed here.
So far the present invention provides and introduces complete about a kind of area source encapsulation LED embodiment.
The present invention also provides for a kind of 3D-without Moire fringe using area source described in above-described embodiment one to four to encapsulate LED
LED three-dimensional display system, including an employing area source encapsulation LED screen of LED, a spectro-grating and drives assembly, described
Spectro-grating includes slit grating, Lenticular screen, liquid crystal lens, liquid crystal light valve and vibrating grating；Described area source encapsulation LED
LED screen black matrix little, can effectively alleviate Moire fringe in stereo display.
If Fig. 6 is a kind of 3D-LED display system without Moire fringe that the present invention provides, comprise:
The LED screen (52) of one light-source encapsulation LED,
One slit grating (53),
And drives assembly (51)；
A kind of 3D-LED display without Moire fringe provided for the present invention such as Fig. 6, by triangle similarity relation, can obtain
Wherein, GtFor grating transmission region length, GzFor grating lightproof area length, G is raster pitch, WpFor 2D pixel
Spacing, L is viewing distance, and d is grating and 2D screen distance, and K is viewpoint number (treating the subgraph number that light splitting pattern is comprised), and Q is
Human eye interpupillary distance.
Simultaneous Equations, can obtain grating transmission region Gt, length, raster pitch G, grating with 2D screen distance d be:
In the present embodiment, the pixel cell on LED display passes through slit grating, and the LED pixel of left image incides
The left eye of observer, the LED pixel of right image incides the right eye of observer, observes brain compound stereoscopic display picture.Tool
The parameter of body three-dimensional display system can calculate according to above-mentioned formula.
If Fig. 7 is a kind of 3D-LED display system without Moire fringe that the present invention provides, comprise:
The LED screen (62) of one light-source encapsulation LED,
One Lenticular screen (63)；
And drives assembly (61).
As it is shown in fig. 7, be the present embodiment center pillar lens three-dimensional display system structure principle chart, optical knowledge can obtain:
Post lens radius of curvature r is
Post lens pitch p is
Post lens thickness d is
Wherein, p is 2D pixel pitch, and L is viewing distance, and n is the post index of refraction in lens, and Q is adjacent viewpoint spacing, and K is 3D
Viewpoint number, D is Lenticular screen and 2D display screen distance, WpFor 2D pel spacing.
In the present embodiment, the pixel cell on LED display passes through post lens spectro-grating, the LED pixel of left image
Inciding the left eye of observer, the LED pixel of right image incides the right eye of observer, observes brain compound stereoscopic display picture
Face.The parameter of concrete three-dimensional display system can calculate according to above-mentioned formula.
In the 5th and sixth embodiment, LED display used is had to there is not black matrix or only exist the least black
Matrix, Moire fringe also eliminates or reduces, and observer obtains more preferable visual effect.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
It is understood by, the foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (6)
1. an area source encapsulation LED, it is characterised in that: include,
One loading plate, containing LED cathode and anode interface on described loading plate；
N number of LED chip, the negative electrode of described LED chip and anode connect the negative electrode on described loading plate and anode interface respectively；
One barrier frame, described LED chip is inside described barrier frame；
Some reflectance coatings, described reflectance coating is arranged on described barrier frame inwall；
And the optical filling body being filled in barrier frame, described optical filling dignity also includes one layer all to the outer surface of spectators
Photosphere, wherein N is natural number, and N=3, and described LED chip comprises three kinds of monochromatic LED chips of red, green, blue, for color LED screen
Display；
Described area source encapsulation LED is applicable to whole screen LED screen；Described barrier frame is square body or non-square body；Described barrier frame
During for non-square body, between adjacent described barrier frame, it is provided with the heat dissipation channel for dispelling the heat, cooling down；
Described equal photosphere is the optical texture of physics and chemistry at described optical filling external surface；Wherein, the optics knot of described place physics and chemistry
Structure includes: etching processing and frosted process to be formed has unrestrained transmitting or the optical texture of scattering properties；Or described all light
Layer be independent of described optical filling body outside optical material, described equal photosphere is arranged on described optical filling body；Institute
State optical material to include: polymer scattering layer, phosphor powder layer or quantum optices film.
2. an area source encapsulation LED, it is characterised in that: include,
One loading plate, containing LED cathode and anode interface on described loading plate；
N number of LED chip, the negative electrode of described LED chip and anode connect the negative electrode on described loading plate and anode interface respectively；
One barrier frame, described LED chip is inside described barrier frame；
Some reflectance coatings, described reflectance coating is arranged on described barrier frame inwall；
And the optical filling body being filled in barrier frame, described optical filling dignity also includes one layer all to the outer surface of spectators
Photosphere, wherein N is natural number, and N=1, and described LED chip uses UV-LED chip；Described equal photosphere is one-color fluorescence bisque,
And the one-color fluorescence powder of described one-color fluorescence bisque includes: red light fluorescent powder, blue light fluorescent powder and green light fluorescent powder, it is respectively used to
UV light is converted into the monochromatic light of red, green and blue, and UV-LED point source is changed into area source；
Described area source encapsulation LED is applicable to whole screen LED screen；Described barrier frame is square body or non-square body；Described barrier frame
During for non-square body, between adjacent described barrier frame, it is provided with the heat dissipation channel for dispelling the heat, cooling down.
3. an area source encapsulation LED, it is characterised in that: include,
One loading plate, containing LED cathode and anode interface on described loading plate；
N number of LED chip, the negative electrode of described LED chip and anode connect the negative electrode on described loading plate and anode interface respectively；
One barrier frame, described LED chip is inside described barrier frame；
Some reflectance coatings, described reflectance coating is arranged on described barrier frame inwall；
And the optical filling body being filled in barrier frame, described optical filling dignity also includes one layer all to the outer surface of spectators
Photosphere, wherein N is natural number, and N=1, and described LED chip uses blue-light LED chip；Described equal photosphere includes one-color fluorescence powder
Layer and the equal photosphere of optical texture；The one-color fluorescence powder of described one-color fluorescence bisque includes: red light fluorescent powder and green light fluorescent powder, point
Blue light Yong Yu be converted into red and green monochromatic light；The equal photosphere of described optical texture includes: frosted process or etching processing are filled out
Fill external surface；
Described area source encapsulation LED is applicable to whole screen LED screen；Described barrier frame is square body or non-square body；Described barrier frame
During for non-square body, between adjacent described barrier frame, it is provided with the heat dissipation channel for dispelling the heat, cooling down.
4. according to area source encapsulation LED a kind of described in claims 1 to 3 any one, it is characterised in that: described optical filling body
It is made up of at least one of which obturator.
5. according to area source encapsulation LED a kind of described in Claims 2 or 3, it is characterised in that: described one-color fluorescence bisque is replaceable
For monochromatic quantum dot blooming.
6. use a 3D-LED display system of area source encapsulation LED, its feature as described in claims 1 to 3 any one
It is: include an employing described area source encapsulation LED screen of LED, a spectro-grating and a drives assembly.
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| CN201410321799.4A CN104048222B (en) | 2014-07-05 | 2014-07-05 | Area light source packaging LED and 3D-LED display system with same |
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| CN201410321799.4A CN104048222B (en) | 2014-07-05 | 2014-07-05 | Area light source packaging LED and 3D-LED display system with same |
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| CN110379835B (en) * | 2019-07-17 | 2022-03-04 | 昆山国显光电有限公司 | Display panel, display device and preparation method of display panel |
| CN112162428B (en) * | 2020-08-28 | 2022-04-08 | 福州大学 | Mini-LED through hole dimming structure backlight source and manufacturing method thereof |
| CN112259008B (en) * | 2020-11-10 | 2022-10-18 | 深圳市中科创激光技术有限公司 | LED display screen mask structure and LED display screen |
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| TWI283321B (en) * | 2004-06-18 | 2007-07-01 | Au Optronics Corp | Supporter and LED light-source module using the same |
| CN201531832U (en) * | 2009-10-16 | 2010-07-21 | 横店集团浙江得邦公共照明有限公司 | Soft light structure of LED lamp |
| CN202835011U (en) * | 2012-08-03 | 2013-03-27 | 创维液晶器件(深圳)有限公司 | Direct type backlight module used for 3D display and display device with same |
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