CN109962080A - Display device - Google Patents
Display device Download PDFInfo
- Publication number
- CN109962080A CN109962080A CN201711403682.0A CN201711403682A CN109962080A CN 109962080 A CN109962080 A CN 109962080A CN 201711403682 A CN201711403682 A CN 201711403682A CN 109962080 A CN109962080 A CN 109962080A
- Authority
- CN
- China
- Prior art keywords
- light
- emitting component
- display device
- thickness
- shielding pattern
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission
- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission in a repetitive configuration, e.g. LED bars
- H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
Abstract
The present invention discloses a kind of display device, including circuit base plate, multiple pixels and light shield layer.Pixel includes a plurality of light-emitting elements.Light-emitting component is configured on circuit base plate and is electrically connected with circuit base plate.A plurality of light-emitting elements in pixel are arranged along orientation.Light shield layer is located on circuit base plate and has multiple pixel openings.Pixel is located in a corresponding pixel openings.Light shield layer includes multiple the first light-shielding patterns extended along orientation and multiple second light-shielding patterns connecting with the first light-shielding pattern.The extending direction of second light-shielding pattern is different from the extending direction of the first light-shielding pattern.The thickness of first light-shielding pattern is greater than or equal to the thickness of the second light-shielding pattern.
Description
Technical field
The present invention relates to a kind of display devices, and fill more particularly to a kind of display with preferable display quality and yield
It sets.
Background technique
Light emitting diode (light emitting diode；LED) have that such as service life is long, small in size, high shock resistance, low
The advantages that heat generation and low power consumption, therefore it has been widely used in household and indicator or light source in various equipment.Closely
Nian Lai, light emitting diode develops towards multicolour and high brightness, therefore its application field has extended to large-scale billboards, traffic
Red signal lamp used by rail workers and related fields.In future, light emitting diode possibly even becomes the primary illumination light for having both power saving and environment-friendly function
Source.
In the general display device with light emitting diode, it can usually pass through surface mounted component (surface mount
devices；SMD) technology or chip direct package (chip on board；COB) light emitting diode is configured at route base by technology
On plate.However, in surface mounted component technology, it will usually seal the light-emitting component of at least one set of feux rouges, green light and blue light
It is filled in a bracket, and when above-mentioned feux rouges, green light or blue light emitting element difference at a distance from pixel boundary, it will produce
Add lustre to difference, thus causes the low of display quality.In addition, in chip direct package technology, if the light-emitting component of script fails
Or efficiency is low, then it is since the chip of light-emitting component is smaller and lacks the structure that can be picked up, then more difficult to use heavy industry
(rework) mode carries out displacement in situ, thus the yield of display device is caused to reduce.And in order to promote the good of display device
Rate, method first is that provide extra light-emitting component at the very start, but excessive cost can be expended.Therefore, higher in order to pursue
The image quality of level shows, and how further to promote the yield and display quality of display device, and will not expend excessive cost again,
The project for wanting to solve at present is had become in fact.
Summary of the invention
The embodiment of the present invention discloses a kind of display device, with preferable display quality and yield.
The display device of one embodiment of the invention comprising circuit base plate, multiple pixels and light shield layer.Pixel includes more
A light-emitting component, wherein light-emitting component is configured on circuit base plate and is electrically connected with circuit base plate, and multiple luminous in pixel
Element is arranged along orientation.Light shield layer is located on circuit base plate and has multiple pixel openings, and pixel is located at corresponding one
In a pixel openings.Light shield layer includes multiple the first light-shielding patterns extended along orientation and connects with the first light-shielding pattern
Multiple second light-shielding patterns connect.The extending direction of second light-shielding pattern is different from the extending direction of the first light-shielding pattern.First
Light-shielding pattern has first thickness, and the second light-shielding pattern has second thickness, and first thickness is greater than or equal to the second thickness
Degree.
The display device of one embodiment of the invention comprising circuit base plate, light shield layer and light-emitting component.Circuit base plate tool
There is first surface.Light shield layer is located on first surface and has shading top surface, and has the between shading top surface and first surface
One thickness.Light-emitting component is configured on first surface and has spire face, and has between spire face and first surface out
Light height, light-emitting component has element spacing between light shield layer, and element spacing is to first thickness and out between light height
Difference ratio be greater than 0.66.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and it is attached appended by cooperation
Figure is described in detail below.
In the accompanying drawings, for the sake of clarity, the element of part or the size of film layer have been zoomed in or out.Also, illustrating
Represented numerical value in book may include the numerical value and have the acceptable deviation range of usually intellectual in the art
Interior deviation.Above-mentioned deviation can be one or more standard deviation (Standard in manufacturing process or measurement process
Deviation), or in the process that calculates or convert because using the number of digit, rounding up or via error propagation (Error
) etc. Propagation error is calculated caused by other factors.
Detailed description of the invention
Figure 1A is a kind of part upper schematic diagram of display device of the first embodiment of the present invention；
Figure 1B is the diagrammatic cross-section of the I-I ' hatching line in Figure 1A；
Fig. 1 C is the diagrammatic cross-section of the II-II ' hatching line in Figure 1A；
Fig. 2 is a kind of partial cutaway schematic view of display device of the second embodiment of the present invention；
Fig. 3 is a kind of part upper schematic diagram of display device of the third embodiment of the present invention.
Symbol description
100,200,300: display device
110: circuit base plate
110a: first surface
111: connection gasket
111a: connection gasket maximum width
111b: first end
111c: second end
112: conducting connecting part
120: light-emitting component
120a: orientation
120b: go out spire face
120c: element width
120d: axial principal ray
121: the first light-emitting components
121a: first distance
122: the second light-emitting components
122a: second distance
123: third light-emitting component
123a: third distance
124: repairing light-emitting component
125: failure or the low light-emitting component of efficiency
130,330: light shield layer
130a: pixel openings
131,331: the first light-shielding pattern
132,332: the second light-shielding pattern
140,240: encapsulated layer
140a, 240a: encapsulation top surface
PU, PU ', PU ": pixel
L: light
A: element spacing
B: go out light height
C: first thickness
C': second thickness
E: package thickness
F: pel spacing
G: surface roughness
W: element duration
X, Y, Z: direction
Specific embodiment
Figure 1A is the part upper schematic diagram according to a kind of display device of the first embodiment of the present invention.Figure 1B is along figure
The diagrammatic cross-section of I-I ' hatching line in 1A.Fig. 1 C is the diagrammatic cross-section of the II-II ' hatching line in Figure 1A.For clarity, scheme
1A omits the film layer for depicting part.
Referring to Figure 1A to Fig. 1 C, the display device 100 of the present embodiment include circuit base plate 110, multiple pixel PU,
Light shield layer 130 and encapsulated layer 140.Multiple pixel PU, light shield layer 130 and encapsulated layer 140 are configured at the of circuit base plate 110
On one surface 110a, and encapsulated layer 140 covers light shield layer 130 and pixel PU.
Pixel PU includes a plurality of light-emitting elements 120.In the present embodiment, pixel PU may include the first light-emitting component 121,
Second light-emitting component 122 and third light-emitting component 123.First light-emitting component 121, the second light-emitting component 122 and third hair
Optical element 123 can issue the light of different colours, and the luminous member of the first light-emitting component 121, the second light-emitting component 122 and third
Part 123 is arranged along orientation 120a.For example, the first light-emitting component 121 can issue red light, the second light-emitting component
122 can issue green light, and third light-emitting component 123 can issue blue light, and the luminous member of the first light-emitting component 121, second
The orientation 120a of part 122 and third light-emitting component 123 is substantially parallel to Y-direction, however, the present invention is not limited thereto.
Light-emitting component 120 is configured on circuit base plate 110 and is electrically connected with circuit base plate 110.Specifically, circuit base plate
110 can have multiple groups connection gasket 111, and light-emitting component 120 corresponds to wherein one group of connection gasket 111 and configures.In the present embodiment
In, light-emitting component 120 can be electrically connected in a manner of flip-chip bonded (flip chip bonding) by conducting connecting part 112
Corresponding connection gasket 111.Conducting connecting part 112 is, for example, soldered ball, however, the present invention is not limited thereto.In the present embodiment, it is arranging
On the 120a of direction, each light-emitting component 120 has corresponding element width 120c, and each group connection gasket 111 has corresponding connection
Maximum width 111a is padded, and connection gasket maximum width 111a above-mentioned is greater than twice of element width 120c above-mentioned.Except this it
Outside, on orientation 120a, each group connection gasket 111 has opposite first end 111b and second end 111c, light-emitting component 120
It is configured at one of first end 111b and second end 111c.For the embodiment depicted in Figure 1A, light-emitting component 120 is only
It is configured at the first end 111b of corresponding one group of connection gasket 111.In this way, which the member that shines is not configured on each group connection gasket 111
The other end (the second end 111c in the embodiment as depicted in 1A) of part 120 can reserve the purposes as repairing.
In the present embodiment, each group connection gasket 111 can be the conductive structure of two T fonts, however, the present invention is not limited thereto.
In other embodiments, the conductive structure of each group connection gasket 111 or two strips.
Light shield layer 130 includes multiple first light-shielding patterns 131 and multiple second light-shielding patterns 132.First light-shielding pattern
131 extend along orientation 120a, and the extension side of the extending direction of the second light-shielding pattern 132 and the first light-shielding pattern 131
To difference.First light-shielding pattern 131 has first thickness C, and the second light-shielding pattern 132 has second thickness C ', and first
Thickness C is greater than or equal to second thickness C '.First light-shielding pattern 131 is connected with the second light-shielding pattern 132, to constitute multiple pictures
Element opening 130a, and pixel PU is located in corresponding pixel openings 130a.Light shield layer 130 can block pixel openings 130a
The light that interior light-emitting component 120 is issued.In the present embodiment, the material of light shield layer 130 may include having light-proofness
Anti-welding material, however, the present invention is not limited thereto.
In the present embodiment, each pixel PU is located in a corresponding pixel openings 130a, but the present invention is unlimited
In this.In other embodiments, it can be multiple pixel PU are located in a corresponding pixel openings 130a.Other feasible realities
It applies in example, can also not have pixel PU in pixel openings 130a, the pixel openings 130a without pixel PU can be used for
Contraposition, test or other suitable manufacture crafts.
In the present embodiment, the extending direction of the extending direction of the first light-shielding pattern 131 and the second light-shielding pattern 132 is not
Together, and between two adjacent the first light-shielding patterns 131 there are multiple second light-shielding patterns 132.In some embodiments, first
The extending direction of light-shielding pattern 131 and the extending direction of the second light-shielding pattern 132 are generally vertical.For example, the first shading
Pattern 131 is generally parallel to Y-direction extension, and the second light-shielding pattern 132 is generally parallel to X-direction extension, but this hair
It is bright without being limited thereto.
In the same pixel PU, the distance between light-emitting component 120 and corresponding second light-shielding pattern 132 are each other not
Together.For example, in the same pixel PU, correspond to identical second light-shielding pattern 132, the first light-emitting component 121 and the
The distance of two light-shielding patterns 132 is first distance 121a, and the second light-emitting component 122 is the with the second light-shielding pattern 132 at a distance from
Two distance 122a, third light-emitting component 123 is third distance 123a at a distance from the second light-shielding pattern 132, and first distance
121a, second distance 122a and third distance 123a are differing from each other.In the present embodiment, third distance 123a be greater than second away from
From 122a, and second distance 122a is greater than first distance 121a, however, the present invention is not limited thereto.
In general, in the two neighboring pixel PU of 132 two sides of the second light-shielding pattern, the first light-emitting component 121, second
Light-emitting component 122 and third light-emitting component 123 can have identical arrangement mode.That is, above-mentioned two neighboring
In pixel PU, the first light-emitting component 121, the second light-emitting component 122 and third light-emitting component 123 are along orientation
120a arrangement.In other words, 132 two sides of the second light-shielding pattern two light-emitting components 120 with identical luminescent color it
Between, light-emitting component 120 at least different with second light-shielding pattern 132 and other two luminescent colors.For example,
Between two the first light-emitting components 121 of 132 two sides of the second light-shielding pattern, at least there is second light-shielding pattern 132, one
A second light-emitting component 122 and a third light-emitting component 123.Or two second in 132 two sides of the second light-shielding pattern
Between light-emitting component 122, at least there is 132, first light-emitting components 121 of second light-shielding pattern and a third hair
Optical element 123.Or between two the first light-emitting components 121 of third light-shielding pattern two sides, at least there is one second screening
132, first light-emitting components 121 of light pattern and second light-emitting component 122.Also, due to each light-emitting component 120
Go out between spire face 120b and first surface 110a go out light height B less than the second light-shielding pattern 132 second thickness C '.Cause
This can be reduced by above-mentioned configuration mode and height/thickness relationship adjacent the two of 132 two sides of the second light-shielding pattern
Optical crosstalk between a pixel PU.Also, since the second thickness C ' of the second light-shielding pattern 132 is less than or equal to the first light-shielding pattern
131 first thickness C can also reduce color difference of the display device 100 on orientation 120a.
In the same pixel PU, element spacing A between light-emitting component 120 and corresponding first light-shielding pattern 131 that
This is identical.For example, in the same pixel PU, correspond to identical first light-shielding pattern 131, element spacing A can be
The distance between first light-emitting component 121 and the first light-shielding pattern 131 or the second light-emitting component 122 and the first light-shielding pattern
The distance between 131 or the distance between third light-emitting component 123 and the first light-shielding pattern 131.Therefore, it can reduce aobvious
Colour cast of the showing device 100 on the direction (that is, X-direction) perpendicular to orientation 120a.
The pel spacing F that the middle line of the first adjacent light-shielding pattern 131 is constituted, the encapsulation top surface 140a of encapsulated layer 140
There is package thickness E between the first surface 110a of circuit base plate 110.Work as pel spacing according to the proportionate relationship of geometry
Element spacing A of the ratio of difference of the F to package thickness E and out between light height B greater than twice is high with light out to first thickness C
When spending the ratio of the difference between B, the light that is issued from the center normal 120d of the light-emitting surface 120b of light-emitting component 120
L (that is, axial principal ray (Chief Ray)) can not reach the direction perpendicular to orientation 120a across the first light-shielding pattern 131
Either side in (that is, X-direction), achievees the effect that reduce optical crosstalk whereby, that is, has equation below (1-1) to indicate:
In this way, which the light L that can be reduced between the two neighboring pixel PU of 131 two sides of the first light-shielding pattern is generated
Optical crosstalk the phenomenon that.
With micro- light emitting diode (micro LED；μ LED) as light-emitting component 120, light-emitting component 120 perpendicular to
Element duration W on orientation 120a can be at least 5 microns of (micrometer；μm).In addition, the first adjacent shading figure
The pel spacing F maximum that the middle line of case 131 is constituted can be 2000 microns.Also, the first thickness of the first light-shielding pattern 131
C minimum can be 10.1 microns.And the light height B maximum that goes out of light-emitting component 120 can be 10 microns.And in phase above-mentioned
It closes under size, element spacing A can be made to first thickness C by the proportionate relationship of similar triangular form and out between light height B
Difference ratio less than 5000, that is, there is equation below (1-2) to indicate:
In addition, in general, the material of encapsulated layer 140 is, for example, to be selected from including epoxy resin (epoxy), silica resin
(silicone) and its one of compound, and the refractive index (Refractive Index) of encapsulated layer 140 between 1.4 to
1.8.The main shaft light L of light-emitting component 120 has part that can be totally reflected (total reflection) and be trapped in inside encapsulated layer 140,
In order to stop main shaft light L by the first light-shielding pattern 131 further, via Snell's law (Snell ' s Law)
Under derivation, element spacing A can be made to first thickness C and out the ratio of the difference between light height B be greater than 0.66, that is, have with
Under equation (2) indicate:
In addition to this, under above-mentioned condition, it is micro- that the package thickness E of encapsulated layer 140 can be less than or equal to 1506.61
Rice, to generate the possibility of optical crosstalk between the two neighboring light-emitting component 120 of reduction by 131 two sides of the first light-shielding pattern.
In the present embodiment, the pixel PU (such as: pixel PU ') of part can further include repairing light-emitting component 124, be configured at
Repairing light-emitting component 124 and the luminescent color having the same of light-emitting component 125 on identical one group of connection gasket 111, and it is aforementioned
Repairing light-emitting component 124 position it is different from the position of light-emitting component 125 above-mentioned.For example, in pixel PU ',
On identical one group of connection gasket 111, light-emitting component 125 above-mentioned is configured at the first end 111b of connection gasket 111, and above-mentioned repairs
Reissue the second end 111c that optical element 124 is configured at connection gasket 111.In the manufacturing process of display device 100, used as repairing
The repairing light-emitting component 124 on way can light-emitting component 125 fail or efficiency it is low in the case where, by with light-emitting component 125
The same or similar configuration mode is directly configured at the second end 111c of connection gasket 111.In this way, which display device 100 can be with
There is preferable yield by heavy industry.
It is worth noting that, there is pixel PU ', the PU " of repairing light-emitting component 124 in embodiment depicted in Figure 1A
Quantity be for two, and repair light-emitting component 124 quantity be for two, but the present invention for have repairing hair
The quantity of the pixel of optical element 124 and the quantity of repairing light-emitting component 124 are simultaneously without restriction.Also, in some embodiment party
In formula, failure or the low light-emitting component of efficiency can be removed (such as: Tu1AZhong, compared to the in other pixel PU
Two light emitting 122, the pixel PU " in paper most bottom right does not have the second similar light-emitting component 122, and there is repairing to shine
Element 124), further damage may be generated with the light-emitting component that reduction failure or efficiency are low.
The configuration mode for repairing light-emitting component 124 is similar in the light-emitting component 125 on identical one group of connection gasket 111.
That is, other a plurality of light-emitting elements 120 in repairing light-emitting component 124 and pixel PU ', PU " are along orientation
120a arrangement.Also, compared to the distance between other light-emitting components 120 and the first light-shielding pattern 131 (that is, element spacing A),
Repair the distance between light-emitting component 124 and the first light-shielding pattern 131 (that is, element spacing A) with it is above-mentioned at a distance from (that is, element
Spacing A) it is substantially the same.
Fig. 2 is the partial cutaway schematic view according to a kind of display device of the second embodiment of the present invention.It must say herein
Bright, the embodiment of Fig. 2 continues to use the element numbers and partial content of the embodiment of Figure 1A to Fig. 1 C, wherein using identical or close
As label indicate identical or approximate element, and the explanation of same technique content is omitted, about saying for clipped
Bright to can refer to previous embodiment, following embodiment will not be repeated herein.
Referring to Fig. 2, the display device 100 of the embodiment of the display device 200 and Figure 1A to Fig. 1 C of the present embodiment
Similar, the difference of the two is: the encapsulation top surface 240a of encapsulated layer 240 is rough surface.In the normal direction of first surface 110a
In (that is, Z-direction), the distance between highest point and lowest part of top surface 240a are encapsulated as surface roughness G, and encapsulated layer 240
Package thickness E be greater than ten times of surface roughness G.In this way, the mist degree (haze) of display device 200 can be reduced, because
And the display quality of display device 200 can be promoted.
In general, total reflection can be reduced by rough surface to increase light extraction efficiency, however, excessively coarse surface
It is messy to will cause luminance (luminance) distribution, the image on device is caused to generate broken sense in certain viewing angles, it is therefore desirable to
Moderate mist degree.In the present embodiment, can by the way that the package thickness E of encapsulated layer 240 is greater than ten times of surface roughness G,
Increase light extraction efficiency to reduce total reflection, and can make display device 200 that there is good display quality.
Fig. 3 is the part upper schematic diagram according to a kind of display device of the third embodiment of the present invention.It must say herein
Bright, the embodiment of Fig. 3 continues to use the element numbers and partial content of the embodiment of Figure 1A to Fig. 1 C, wherein using identical or close
As label indicate identical or approximate element, and the explanation of same technique content is omitted, about saying for clipped
Bright to can refer to previous embodiment, following embodiment will not be repeated herein.
Referring to Fig. 3, the display device 100 of the embodiment of the display device 300 and Figure 1A to Fig. 1 C of the present embodiment
Similar, the difference of the two is: the extending direction of the first light-shielding pattern 331 is different from the extending direction of the second light-shielding pattern 332,
And there are multiple first light-shielding patterns 331 between two adjacent the second light-shielding patterns 332.In some embodiments, it first hides
The extending direction of light pattern 331 and the extending direction of the second light-shielding pattern 332 are generally vertical.For example, the first shading figure
Case 331 is generally parallel to Y-direction extension, and the second light-shielding pattern 332 is generally parallel to X-direction extension.
In conclusion a plurality of light-emitting elements of each pixel are along row in multiple pixels of display device of the invention
Column direction arrangement, the first light-shielding pattern extend along orientation, the extending direction of the second light-shielding pattern and the first light-shielding pattern
Extending direction it is different, and the thickness of the first light-shielding pattern is greater than or equal to the thickness of the second light-shielding pattern.In this way, hanging down
Directly in orientation, light extraction efficiency and the visual angle of display device can increase.Also, in orientation, it can reduce aobvious
The color difference of showing device.In addition, the configuration by the first light-shielding pattern and/or the second light-shielding pattern can also reduce the string between pixel
Light.Therefore, display device has preferable display quality.
Although disclosing the present invention in conjunction with above embodiments, it is not intended to limit the invention, any affiliated technology
Have usually intellectual in field, without departing from the spirit and scope of the present invention, can make some changes and embellishment, therefore this hair
Bright protection scope should be subject to what the appended claims were defined.
Claims (20)
1. a kind of display device characterized by comprising
Circuit base plate；
Multiple pixels, respectively include a plurality of light-emitting elements, wherein the multiple light-emitting component is configured on the circuit base plate simultaneously
It is electrically connected with the circuit base plate, and the multiple light-emitting component in the multiple pixel is arranged along orientation；And
Light shield layer is located on the circuit base plate and has multiple pixel openings, wherein the multiple pixel is positioned at the multiple
In one of pixel openings, the light shield layer include it is multiple along the orientation extend the first light-shielding patterns and with
Multiple second light-shielding patterns of the multiple first light-shielding pattern connection, and the extending direction of the multiple second light-shielding pattern with
The extending direction of the multiple first light-shielding pattern is different, and the multiple first light-shielding pattern has a first thickness, described more
A second light-shielding pattern has second thickness, and the first thickness is greater than or equal to the second thickness.
2. display device as described in claim 1, wherein the circuit base plate has multiple groups connection gasket, the multiple luminous member
Part corresponds to the configuration of one of described multiple groups connection gasket, wherein in the orientation, each the multiple luminous member
Part has element width, and each multiple groups connection gasket has connection gasket maximum width, and the connection gasket maximum width is greater than
Twice of the element width.
3. display device as claimed in claim 2, wherein one of the multiple pixel further include:
At least one repairing light-emitting component, corresponds to the configuration of one of described multiple groups connection gasket, wherein being configured at identical
Described at least one repairing one of light-emitting component and the multiple light-emitting component on the multiple groups connection gasket have phase
Same luminescent color.
4. display device as claimed in claim 3, wherein being configured at described at least one on the identical multiple groups connection gasket
Have between one of a repairing light-emitting component and the multiple light-emitting component and corresponding the multiple first light-shielding pattern
There is identical spacing.
5. display device as described in claim 1, wherein having multiple institutes between adjacent the multiple first light-shielding pattern
State multiple second light-shielding patterns.
6. display device as described in claim 1, wherein having multiple institutes between adjacent the multiple second light-shielding pattern
State multiple first light-shielding patterns.
7. display device as described in claim 1, wherein the circuit base plate has first surface, the multiple light-emitting component
With spire face out, and it is described go out there is light height between spire face and the first surface, and the first thickness and institute
It states second thickness and is greater than the light height out.
8. display device as claimed in claim 7, wherein the multiple light-emitting component and corresponding the multiple first shading
There is element spacing, and the element spacing is to the ratio of the difference between the first thickness and the light height out between pattern
Value is greater than 0.66.
9. display device as claimed in claim 8, wherein the element spacing is to the first thickness and the light height out
Between difference ratio less than 5000.
10. display device as described in claim 1, wherein the circuit base plate has first surface, and the display device
Further include:
Encapsulated layer is covered on the light shield layer and the multiple light-emitting component, and the encapsulated layer has encapsulation top surface, and institute
Stating has package thickness between encapsulation top surface and the first surface, wherein the package thickness is greater than the first thickness.
11. display device as claimed in claim 10, wherein the multiple light-emitting component has spire face, the spire out
There is light height between face and the first surface, there is pel spacing between adjacent the multiple first light-shielding pattern,
There is element spacing, and the pel spacing pair between the multiple light-emitting component and corresponding the multiple first light-shielding pattern
The ratio of difference between the package thickness and the light height out is thick to described first greater than twice of the element spacing
The ratio of difference between degree and the light height out.
12. display device as claimed in claim 10, wherein the encapsulation top surface of the encapsulated layer has rough surface
Degree, and the package thickness is greater than ten times of the surface roughness.
13. display device as described in claim 1, wherein the multiple light-emitting component and corresponding second light-shielding pattern
The distance between it is different from each other.
14. display device as described in claim 1, wherein the light shield layer material includes anti-welding material.
15. a kind of display device characterized by comprising
Circuit base plate has first surface；
Light shield layer is located on the first surface and has shading top surface, and between the shading top surface and the first surface
With first thickness；And
Light-emitting component is configured on the first surface and has spire face, and spire face and the first surface out
Between there is light height, the light-emitting component has element spacing, and the element spacing pair between the light shield layer
The ratio of difference between the first thickness and the light height out is greater than 0.66.
16. display device as claimed in claim 15, wherein the first thickness is greater than the light height out.
17. display device as claimed in claim 15, wherein the element spacing is high to the first thickness and the light out
The ratio of difference between degree is less than 5000.
18. display device as claimed in claim 15, further includes:
Encapsulated layer is covered on the light shield layer and the multiple light-emitting component, and the encapsulated layer has encapsulation top surface, and institute
Stating has package thickness between encapsulation top surface and the first surface, wherein the package thickness is greater than the first thickness.
19. display device as claimed in claim 18, wherein the light shield layer for being located at the light-emitting component opposite sides has
There is pel spacing, wherein the pel spacing is greater than two to the ratio of the difference between the package thickness and the light height out
Ratio of the element spacing again to the difference between the first thickness and the light height out.
20. display device as claimed in claim 18, wherein the encapsulation top surface of the encapsulated layer has rough surface
Degree, and the package thickness is greater than ten times of the surface roughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403682.0A CN109962080A (en) | 2017-12-22 | 2017-12-22 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403682.0A CN109962080A (en) | 2017-12-22 | 2017-12-22 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109962080A true CN109962080A (en) | 2019-07-02 |
Family
ID=67019168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711403682.0A Pending CN109962080A (en) | 2017-12-22 | 2017-12-22 | Display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109962080A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102735A (en) * | 2020-02-21 | 2020-12-18 | 友达光电股份有限公司 | Display device |
| CN112786763A (en) * | 2019-11-01 | 2021-05-11 | 成都辰显光电有限公司 | Display panel and display device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009157034A (en) * | 2007-12-26 | 2009-07-16 | Toppan Printing Co Ltd | Color filter and liquid crystal display device |
| CN102057508A (en) * | 2008-04-30 | 2011-05-11 | 莱登照明詹纳斯多夫股份公司 | LED module comprising a dome-shaped color conversion layer |
| KR20120098132A (en) * | 2011-02-28 | 2012-09-05 | 주식회사 루멘스 | Light emitting package and method for manufacturing the same |
| CN203552611U (en) * | 2013-03-13 | 2014-04-16 | 兆光科技有限公司 | LED (Light-Emitting Diode) video panel and video display |
| US20140367675A1 (en) * | 2012-01-19 | 2014-12-18 | Sharp Kabushiki Kaisha | Color filter substrate, display element, and method for manufacturing color filter substrate |
| CN106486026A (en) * | 2015-09-02 | 2017-03-08 | 佛山市国星光电股份有限公司 | A kind of method for packing of COB display module and its display module |
| TWM549957U (en) * | 2017-03-30 | 2017-10-01 | 欣興電子股份有限公司 | Chip package circuit board module |
-
2017
- 2017-12-22 CN CN201711403682.0A patent/CN109962080A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009157034A (en) * | 2007-12-26 | 2009-07-16 | Toppan Printing Co Ltd | Color filter and liquid crystal display device |
| CN102057508A (en) * | 2008-04-30 | 2011-05-11 | 莱登照明詹纳斯多夫股份公司 | LED module comprising a dome-shaped color conversion layer |
| KR20120098132A (en) * | 2011-02-28 | 2012-09-05 | 주식회사 루멘스 | Light emitting package and method for manufacturing the same |
| US20140367675A1 (en) * | 2012-01-19 | 2014-12-18 | Sharp Kabushiki Kaisha | Color filter substrate, display element, and method for manufacturing color filter substrate |
| CN203552611U (en) * | 2013-03-13 | 2014-04-16 | 兆光科技有限公司 | LED (Light-Emitting Diode) video panel and video display |
| CN106486026A (en) * | 2015-09-02 | 2017-03-08 | 佛山市国星光电股份有限公司 | A kind of method for packing of COB display module and its display module |
| TWM549957U (en) * | 2017-03-30 | 2017-10-01 | 欣興電子股份有限公司 | Chip package circuit board module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112786763A (en) * | 2019-11-01 | 2021-05-11 | 成都辰显光电有限公司 | Display panel and display device |
| CN112102735A (en) * | 2020-02-21 | 2020-12-18 | 友达光电股份有限公司 | Display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI658301B (en) | Display device | |
| US11092849B2 (en) | LED backlight device and display device | |
| US6236382B1 (en) | Light emitting diode display unit | |
| US20210398954A1 (en) | Led display unit group and display panel | |
| US20110096045A1 (en) | Display apparatus | |
| US10600354B2 (en) | Small pitch direct view display and method of making thereof | |
| CN209015627U (en) | A kind of LED display unit group and display panel | |
| US9024337B2 (en) | Display panel and display unit | |
| EP2783400B1 (en) | Water resistant led devices and led display including the same | |
| CN109962080A (en) | Display device | |
| CN201084341Y (en) | Full-color LED dot matrix display module | |
| US20110249422A1 (en) | Light emitting device using filter element | |
| TW201638911A (en) | Display | |
| CN111354867A (en) | Packaging structure for display | |
| CN111640850A (en) | LED display device, preparation method thereof and display equipment | |
| TWI660495B (en) | Display module | |
| JP3477358B2 (en) | LED display | |
| CN112466222A (en) | Display panel formed by splicing COB modules | |
| CN209249485U (en) | Encapsulating structure for display | |
| JP2016212311A (en) | Display device | |
| JP2006041113A (en) | Light-emitting diode assembly substrate and display device using the same | |
| US11552219B2 (en) | LED display screen module | |
| CN214541405U (en) | Flexible Mini-LED backlight source, backlight module and display screen | |
| CN220106529U (en) | Lamp bead chip arrangement structure and LED lamp beads | |
| WO2021111731A1 (en) | Light-emitting device and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190702 |