CN110391261A - Micro-led display panel - Google Patents

Micro-led display panel Download PDF

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Publication number
CN110391261A
CN110391261A CN201810347760.8A CN201810347760A CN110391261A CN 110391261 A CN110391261 A CN 110391261A CN 201810347760 A CN201810347760 A CN 201810347760A CN 110391261 A CN110391261 A CN 110391261A
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CN
China
Prior art keywords
micro
led
those
distance
light
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CN201810347760.8A
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Chinese (zh)
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CN110391261B (en
Inventor
陈培欣
陈奕静
史诒君
李玉柱
刘应苍
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PlayNitride Inc
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British Cayman Islands Merchant Technology Co Ltd
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Priority to CN201810347760.8A priority Critical patent/CN110391261B/en
Publication of CN110391261A publication Critical patent/CN110391261A/en
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Publication of CN110391261B publication Critical patent/CN110391261B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/15Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
    • H01L27/153Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
    • H01L27/156Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Led Device Packages (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention discloses a kind of micro-led display panels.The micro-led display panel has bottom plate, multiple micro-led, multiple driving chips and a light shield layer.Bottom plate has first surface and viewing area, micro-led to be set on the first surface of bottom plate and be located in viewing area.Each micro-led with the bottom surface for being located at two opposite sides and positive light-emitting surface, bottom surface is adjacent to first surface, and positive light-emitting surface is then far from first surface.Driving chip is also disposed on the first surface of bottom plate and is located in viewing area, and driving chip and at least one micro-led electric connection, light shield layer are set on bottom plate and are covered on driving chip and expose micro-led positive light-emitting surface.

Description

Micro-led display panel
Technical field
The present invention is about a kind of LED display panel, especially a kind of micro-led display panel.
Background technique
The energy conversion efficiency of light emitting diode is high, small in size and long service life, has been widely used at present various Electronic product, usually as instruction, illumination or for display to provide image.Briefly, light emitting diode has The semiconductor layer of active luminescent layer and at least two doping types, by material used in adjustment active luminescent layer, manufacturer is The light emitting diode of different colours can be produced.
But in practice, light emitting diode makes on traditional glass substrate for showing that image needs are finely controlled Amorphous silicon film transistor circuit apply use.It is especially applied on high-resolution display panel, needs smaller ruler The driving of very little light emitting diode and low current, thus how to improve the current control precision of light emitting diode, improve it is aobvious The quality for showing diode displaying picture is one of research and development direction of LED display panel.
Summary of the invention
The invention reside in a kind of micro-led display panel is provided, to overcome the setting of pixel driver chip aobvious When showing device substrate, pixel driver chip be easy by such environmental effects the problem of.
The invention discloses a kind of micro-led display panels.The micro-led display panel tool There are bottom plate, multiple micro-led, multiple driving chips and a light shield layer.Bottom plate has a first surface and a display Area.It is each micro-led, be set on the first surface of the bottom plate and be located at the viewing area in, respectively this it is miniature shine two Pole pipe has the bottom surface for being located at two opposite sides and a positive light-emitting surface, and adjacent to the first surface, this just goes out light for the bottom surface Face is far from the first surface.Each driving chip is set on the first surface of the bottom plate and is located in the viewing area.The respectively drive Dynamic chip and at least one those micro-led electric connections.Light shield layer is set on the first surface of the bottom plate.It should Light shield layer covers those driving chips and exposes those micro-led positive light-emitting surfaces.
The micro-led display panel further comprises that a display driver circuit is formed on the bottom plate, electricity Property connect that those are micro-led with those driving chips, and wherein the light shield layer has multiple openings, those are miniature to shine Diode is located in those openings.
The light shield layer has a second surface, the second surface be greater than with the first surface at a distance from those miniature luminous two The positive light-emitting surface of pole pipe is at a distance from the first surface.
The light shield layer has multiple recess portions and multiple protrusions, those are micro-led to be set in those recess portions, should A little driving chips are set in those protrusions, those recess surfaces are less than those miniature light-emitting diodes at a distance from the first surface For the positive light-emitting surface of pipe at a distance from the first surface, it is miniature luminous that those boss surfaces are greater than those at a distance from the first surface The positive light-emitting surface of diode is at a distance from the first surface.
One of those driving chips have a top surface, which is greater than this slightly at a distance from the first surface The positive light-emitting surface of type light emitting diode is at a distance from the first surface.
The micro-led display panel further comprises that a sensing element is set on the bottom plate and is located at In the viewing area of the bottom plate, which is covered by the light shield layer.
The micro-led display panel further comprises that a sensing element is set on the bottom plate and is located at In the viewing area of the bottom plate, which exposes a top surface of the sensing element, and it is miniature luminous which is located at those Between diode.
The light shield layer has multiple recess portions and multiple protrusions, those micro-led and sensing elements are set to this In a little recess portions, those driving chips are set in those protrusions, those recess surfaces are less than those at a distance from the first surface At a distance from the first surface, those recess surfaces are less than micro-led positive light-emitting surface at a distance from the first surface At a distance from the first surface, it is miniature that those boss surfaces are greater than those at a distance from the first surface for the top surface of the sensing element The positive light-emitting surface of light emitting diode is at a distance from the first surface.
The micro-led display panel further comprises multiple touch control components, those touch control components are set to It on the bottom plate and is distributed in the viewing area, which covers those touch control components.
It includes that feux rouges is micro-led, green light is micro-led and blue light is micro- that those are micro-led Type light emitting diode, micro-led this of the micro-led positive light-emitting surface of those feux rouges, those green lights is just The distance of light-emitting surface, those green lights micro-led positive light-emitting surface to the first surface is not identical.
The micro-led display panel further comprises multiple pixel units, and each pixel unit has extremely It is few that a feux rouges is micro-led, an at least green light is micro-led and at least a blue light is micro-led.
The light shield layer has a second surface, and the second surface is at a distance from the first surface greater than those driving chips One top surface at a distance from the first surface and be less than those micro-led positive light-emitting surfaces and the first surface away from From.
Above is of the invention with explanation to demonstrate about the explanation of the content of present invention and the explanation of the following embodiments and the accompanying drawings Spirit and principle, and patent application claims protection scope of the invention is provided and is further explained.
Detailed description of the invention
Figure 1A is the top view of the micro-led display panel according to depicted in one embodiment of the invention.
Figure 1B is the sectional view of the 1B-1B section of the micro-led display panel according to depicted in Figure 1A.
Fig. 2A is the top view of the micro-led display panel according to depicted in yet another embodiment of the invention.
Fig. 2 B is a kind of 2B-2B section of state sample implementation of the micro-led display panel according to depicted in Fig. 2A Sectional view.
Fig. 3 is the sectional view of the micro-led display panel according to depicted in another embodiment of the present invention.
Fig. 4 is the sectional view of the micro-led display panel according to depicted in yet another embodiment of the invention.
Fig. 5 is the sectional view of the micro-led display panel according to depicted in further embodiment of this invention.
Wherein, appended drawing reference:
1,2,3,4,5 micro-led display panel
10,20,30,40,50 bottom plate
121,221,321,421,521 driving chip
14~54 light shield layers
46 sensing elements
The viewing area AA
B1, B2 conductive bump
C shows driver circuit
DNT recess portion
The protrusion PTR
D is micro-led
The pin of E1 driving chip
E2 micro-led electrode
H1、H1’、H2、H2’、H2”、H3、H3’、H4、HDDistance
NA non-display area
O opening
P pixel unit
S1 first surface
S2, S2 ' second surface
S3 third surface
S4 top surface
The bottom surface SB
The top surface SI
The positive light-emitting surface of LS
TH1, TH2 thickness
TP touch control component
Specific embodiment
Describe detailed features and advantage of the invention in detail in embodiments below, content is enough to make any ability The technical staff in domain understands technology contents of the invention and implements accordingly, and is wanted according to content disclosed in this specification, right Protection scope and attached drawing are asked, any those skilled in the art can be readily understood upon the relevant purpose of the present invention and advantage.Below The embodiment viewpoint that present invention be described in more detail, but it is non-anyways to limit scope of the invention.
The present invention provides a kind of micro-led display panels.This micro-led display panel has bottom Plate, multiple micro-led, multiple driving chips and light shield layer.It lifts in the various embodiments of the invention each in schema It is micro-led be illustrated for each driving chip, so the micro-led quantity with driving chip is not As limit.On the other hand, in the example shown it is depicted it is micro-led be horizontal structure, in practice, institute of the present invention What is referred to micro-led is also possible to vertical structure.In addition, micro-led display panel has multiple pixels Unit and multiple and different elements, to ask narration concise, herein for the partial structurtes of micro-led display panel into Row narration, fields have the technical staff of usual knowledge micro-led aobvious when can be derived from after readding this specification in detail Show the overall structure of panel.
A~1B referring to Fig.1, Figure 1A are the micro-led display panel 1 according to depicted in one embodiment of the invention Top view, Figure 1B be the micro-led display panel according to depicted in Figure 1A 1B-1B section sectional view.It is miniature LED display panel 1 has a bottom plate 10, multiple driving chips 121, multiple micro-led D and a shading Layer 14.Bottom plate 10 has a first surface S1, a viewing area AA, a non-display area NA.Viewing area AA refers to show picture Region, have in the AA of viewing area it is multiple be separated, the pixel unit P of array arrangement, each pixel unit P in the present embodiment Including multiple micro-led D;Non-display area NA be located at viewing area AA periphery, to be arranged peripheral circuit, cabling or its His electronic component, such as photographic mirror head.
Multiple micro-led D are electrically bonded to bottom plate 10, are set on first surface S1.It is miniature to shine Diode D has the positive light-emitting surface LS (light emitting surface) for being located at two opposite sides and a bottom surface SB, bottom surface SB are neighbouring and towards first surface S1, and in this present embodiment micro-led D further have there are two electrode E2 is set to bottom surface SB, and positive light-emitting surface LS is far from first surface S1.First surface S1, bottom surface SB are probably in flat with positive light-emitting surface LS Row, that is to say, that bottom surface SB is located between first surface S1 and positive light-emitting surface LS.It include three miniature hairs in each pixel unit P Optical diode D, respectively feux rouges micro-led (R micro LED), micro-led (the G micro of green light LED) and blue light is micro-led (B micro LED), respectively to provide feux rouges, green light and blue light, but not with this It is limited.
Multiple driving chips 121 are also electrically bonded on bottom plate 10 and are set in the AA of viewing area.Driving chip 121 be electrically connected pixel unit P in each micro-led D, to control and drive be electrically connected it is each micro- Type light emitting diode D enables each pixel unit P issue scheduled display color and brightness.Driving chip 121 is, for example, partly to lead The IC chip (IC) of body technology production.In this present embodiment, eight pixel units of corresponding driving of driving chip 121 Micro-led D in P.In in practice, one or more driving chips 121 can be with one-to-one, one-to-many or many-to-one Mode drives one or more micro-led D in one or more pixel units P, without with for example be limited.
Micro-led display panel 1 further has display driver circuit C, shows driver circuit in the present embodiment C is formed at the electric conduction routing on the first surface S1 of bottom plate 10, is for electrically connecting to driving chip 121 and corresponding miniature hair Optical diode D.In other embodiments, display driver circuit C can also be the route including transistor unit.
In in practice, the pin E1 of driving chip 121 is for example electrically connected at via corresponding conductive bump (bump) B1 Show that driver circuit C, the electrode E2 of micro-led D are for example electrically connected at display via corresponding conductive bump B2 and drive Moving-wire road C.Show that the cabling design of driver circuit C corresponds to the pin E1's and each micro-led D of driving chip 221 The connection relationship of electrode E2.It will not go into details in this for correlative detail.
Light shield layer 14 can be formed on bottom plate 10 and be had in the way of light blockage coating covers driving chip 121 enough Thickness recycles the patterned manner of exposure development to expose micro-led D.Patterned shading in the present embodiment Layer 14 is to cover each driving chip 121 and have multiple opening O for respectively corresponding pixel unit P.Micro-led D It is located in opening O with the display driver circuit C of part, that is to say, that expose to light shield layer 14.In more detail, light shield layer 14 in The orthographic projection of first surface S1 is surrounded on outside pixel unit P, that is, light shield layer 14 in the orthographic projection on first surface S1 not with Micro-led D is overlapped in the orthographic projection of first surface S1, and light shield layer 14 is enabled to expose just going out for micro-led D Smooth surface LS.For another angle, micro-led D is not covered by light shield layer 14, and driving chip 121 is then complete It is covered by light shield layer 14.In in practice, the material of light shield layer 14 is, for example, black photoresist, opaque glue material, multilayer chromium film, resin Deng.
In more detail, light shield layer 14 has a second surface S2, and second surface S2 is far from first surface S1, second surface Positive light-emitting surface LS and first surface S1 distance H2 of the S2 and first surface S1 distance H1 greater than each micro-led D, H2',H2".Whereby, the shadow that goes out that light shield layer 14 can be used to completely cut off between each pixel is rung, and is able to promote the comparison degree of image.It changes Sentence is talked about, and the positive light-emitting surface LS of each micro-led D is the second surface S2 for not protruding from light shield layer 14.
In addition, in this embodiment, the positive light-emitting surface LS's and first surface S1 of the micro-led D of different colours Distance H2, H2 ', H2 " it is different, whereby, assorted micro-led D is being transferred to by temporary substrate (not being painted) in batches When bottom plate 10, it is avoided the collision damage when shifting the micro-led D of different colours and has been transferred on bottom plate 10 Each micro-led D.For more specifically, according to the positive light-emitting surface LS and first surface S1 of micro-led D The difference of distance and respectively correspond the transfer sequence for arranging micro-led D.In the present embodiment, the smallest distance H2 institute is right The micro-led D answered is to shift at first, and micro-led D corresponding to distance H2 ' placed in the middle takes second place, maximum Micro-led D corresponding to distance H2 " is then last.Wherein, positive light-emitting surface LS is associated at a distance from first surface S1 In the thickness of micro-led D, the thickness including epitaxial layer (not shown) and electrode E2.In this embodiment each micro- The distance relative to first surface S1 of the positive light-emitting surface LS of type light emitting diode D is citing demonstration, but simultaneously not only to be lifted Example is limitation.In other embodiments, positive light-emitting surface LS can also be controlled at a distance from first surface S1 by other modes, such as be led The pattern fluctuating of the thickness of electric convex block B2, the track thickness for showing driver circuit C, even first surface S1.
In the present embodiment, light shield layer 14 is respectively around each pixel unit P.For another angle, light shield layer 14 And it is not directly contacted with each micro-led D.Light shield layer 14 is in addition to cover driving chip 121 to avoid driving chip 121 are illuminated by the light except deteriorating, and light shield layer 14 further can be used to avoid each miniature light-emitting diodes in different pixels unit P The light that pipe D is issued interferes with each other.Conversely speaking, by the light shield layer 14 higher than micro-led D around each pixel Unit P is able to promote the comparison degree of the provided image of micro-led panel 1.
It is please micro-led according to depicted in yet another embodiment of the invention show referring next to Fig. 2A, 2B, Fig. 2A Show that the top view of panel 2, Fig. 2 B are one kind of the 2B-2B section of the micro-led display panel according to depicted in Fig. 2A The sectional view of state sample implementation.
The embodiment shown in Fig. 2A is similar to the micro-led display panel 1 of Figure 1A, the present embodiment it is miniature LED display panel 2 have a bottom plate 20, the driving chip 221 on multiple first surface S1 for being set to bottom plate 20, Multiple micro-led D and a light shield layer 24.Main difference be light shield layer 24 have connection formed protrusion PTR with Recess portion DNT, and the corresponding four pixel unit P of each driving chip 221.Light shield layer 24 is coated in the first surface S1 of bottom plate 20 On, cover the surface that each micro-led D is also surrounded on except driving chip 221.And micro-led D Positive light-emitting surface LS exposes to light shield layer 24.That is, in this embodiment, outside the part-structure of each micro-led D It is exposed to light shield layer 24, another part structure is then covered by light shield layer 24.
Furthermore, it is understood that light shield layer 24 covers driving chip 221, display driver circuit C.In addition, the protrusion of light shield layer 24 PTR corresponds to the position of driving chip 221 and covers driving chip 221, and recess portion DNT corresponds to the position of those micro-led D Set the simultaneously micro-led D of covering part and display driver circuit C.For more specifically, light shield layer 24 has the second table Face S2 and third surface S3, wherein second surface S2 is the surface of protrusion PTR, and third surface S3 is the surface of recess portion DNT.It is miniature Light emitting diode D is located in recess portion DNT, and the surface (third surface S3) of recess portion DNT can part in the orthographic projection of first surface S1 Micro-led D is overlapped in the orthographic projection of first surface S1.Putting this another way, unlike Figure 1B embodiment, Light shield layer 24 extends into the pixel unit P where micro-led D.On the other hand, the surface of recess portion DNT and first The distance H of surface S1DPositive light-emitting surface LS and first surface S1 distance H2 less than each micro-led D.That is, In this embodiment, the part epitaxial structure of each micro-led D can also expose to the recess portion DNT of light shield layer 24, without It is covered by light shield layer 34.In this embodiment, driving chip 221 has a top surface S4.Top surface S4 and first surface S1 Between have distance H3.Distance H3 is greater than distance H2, and the protrusion PTR of light shield layer 24 is covered on driving chip 221, therefore convex Positive light-emitting surface LS of the surface (second surface S2) of portion PTR to the distance H1 of first surface S1 also greater than micro-led D To the distance H2 of first surface S1.
The present embodiment is further covered in the display driver circuit C in the AA of viewing area using light shield layer 24, in addition to reducing The element of display driver circuit C is illuminated by the light outside influence, can also improve the problem of reflected light causes display quality to decline.
It is the sectional view of the micro-led display panel 3 of another embodiment of the present invention referring to Fig. 3.It is shown in Fig. 3 Micro-led display panel 3 is similar to the embodiment of Fig. 2 B, and the micro-led display panel 3 of the present embodiment has Have a bottom plate 30, the driving chip 321 on multiple first surface S1 for being set to bottom plate 30, multiple micro-led D with An and light shield layer 34.It is in place of main difference, the level height that driving chip 321 is set on bottom plate 30 more miniature luminous two Pole pipe D is set to the low of the level height on bottom plate 30.Therefore, in this embodiment, based on the convenience of technique, light shield layer 34 are not defined recess portion DNT or protrusion PTR as described in Figure 2 B separately, but the control for being for example coated with height is utilized to make to hide 34 thickness of photosphere covers driving chip 321, but exposes the positive light-emitting surface LS of micro-led D.Come from another angle It says, light shield layer 34 has a second surface S2, and driving chip 321 has top surface S4, the second surface S2 of light shield layer 34 and the Between one surface S1 with distance H1, micro-led D positive light-emitting surface LS and first surface S1 between have distance H2, And there is distance H3 ' between the top surface S4 and first surface S1 of driving chip 321, wherein distance H3 ' is less than distance H1, distance H1 is less than distance H2.
Fig. 4 is referred again to, Fig. 4 is the micro-led display panel 4 according to depicted in yet another embodiment of the invention Sectional view.The micro-led display panel 4 of the present embodiment and the micro-led display panel 2 of Fig. 2 B are similar, The micro-led display panel 4 of the present embodiment is on a bottom plate 40, multiple first surface S1 for being set to bottom plate 40 Driving chip 421, multiple micro-led D and a light shield layer 44.Main difference is that the present embodiment is miniature and shines Diode display panel 4 further includes a sensing element 46, and sensing element 46 is photosensitive element or light-sensitive element and is located at display In area AA.Light shield layer 44 exposes the top surface SI of sensing element 46.The similar embodiment shown in Fig. 2 B, the definition of light shield layer 44 have Protrusion PTR and recess portion DNT.Protrusion PTR covers driving chip 421, and micro-led D and sensing element 46 are located at recess portion In DNT.Similar light shield layer 44 has a second surface S2 and a third surface S3 in aforementioned, and wherein second surface S2 is protrusion The surface of PTR, third surface S3 are the surface of recess portion DNT.Driving chip 421 has top surface S4.Second table of light shield layer 44 There is distance H1 between face S2 and first surface S1, have between the positive light-emitting surface LS and first surface S1 of micro-led D There is distance H2, there is distance H between the surface and first surface S1 of recess portion DNTD, and the top surface SI and the first table of sensing element 46 There is distance H4 between the S1 of face.In this embodiment, distance HDLess than distance H2, distance HDLess than distance H4, distance H1 be greater than away from From H2.
Referring to figure 5., Fig. 5 is the micro-led display panel 5 according to depicted in further embodiment of this invention Sectional view.Micro-led display panel 5 and Fig. 4 embodiment of the present embodiment is similar, and main difference is the present embodiment Micro-led display panel 5 further include touch control component TP, touch control component TP is to be set to bottom plate in this present embodiment Sense line on 50, to sense touch action.Protrusion PTR covering driving chip 521 and touch control component TP, miniature luminous two Pole pipe D is then located in recess portion DNT and exposes its positive light-emitting surface LS.It illustrates, the protrusion PTR of light shield layer 54 is driving Thickness TH1 on chip 521 is different from thickness TH2 of the protrusion PTR of light shield layer 54 on touch control component TP.From another angle For, light shield layer 54 has second surface S2 and second surface S2 ', and second surface S2 correspondence is covered on driving chip 521 The protrusion surface PTR, and the corresponding protrusion surface PTR being covered on touch control component TP second surface S2 '.In this embodiment, Two surface S2 and first surface S1 distance H1 is greater than second surface S2 ' and first surface S1 distance H1 '.
In summary, this is micro-led the present invention provides a kind of micro-led display panel Display panel has light shield layer to cover the integrated circuit on substrate, to avoid integrated circuit component is illuminated by the light influence and leads to electricity Property parameter drift.On the other hand, the other elements that light shield layer further can be used to cover on substrate are reflective to avoid these elements And influence display quality.In one embodiment, light shield layer can have recess portion and protrusion, to promote image contrast more significantly Degree.On the other hand, in a kind of embodiment, micro-led display panel further has detector, and foundation is detectd The type of device is surveyed, light shielding part can cover detector or not cover detector.

Claims (12)

1. a kind of micro-led display panel characterized by comprising
One bottom plate has a first surface and a viewing area;
It is multiple micro-led, it is set on the first surface of the bottom plate and is located in the viewing area, respectively the miniature hair Optical diode has the bottom surface for being located at two opposite sides and a positive light-emitting surface, and the bottom surface is adjacent to the first surface, this is just Light-emitting surface is far from the first surface;
Multiple driving chips, be set on the first surface of the bottom plate and be located at the viewing area in, respectively the driving chip with should A little at least one micro-led electric connection;And
One light shield layer is set on the first surface of the bottom plate, which covers those driving chips and expose those Micro-led positive light-emitting surface.
2. micro-led display panel according to claim 1, which is characterized in that further comprise that a display is driven Moving-wire road is formed on the bottom plate, is electrically connected those micro-led and those driving chips, wherein the light shield layer has There are multiple openings, those are micro-led in those openings.
3. micro-led display panel according to claim 2, which is characterized in that the light shield layer has one second Surface, the second surface are greater than those micro-led positive light-emitting surfaces and the first surface at a distance from the first surface Distance.
4. micro-led display panel according to claim 1, which is characterized in that the light shield layer has multiple recessed Portion and multiple protrusions, those are micro-led to be set in those recess portions, those driving chips are set in those protrusions, Those recess surfaces are less than those micro-led positive light-emitting surfaces and the first surface at a distance from the first surface Distance, those boss surfaces are greater than those micro-led positive light-emitting surfaces and first table at a distance from the first surface The distance in face.
5. micro-led display panel according to claim 1, which is characterized in that those driving chips wherein it One has a top surface, which is greater than those micro-led positive light-emitting surfaces and is somebody's turn to do at a distance from the first surface The distance of first surface.
6. micro-led display panel according to claim 1, which is characterized in that further comprise a sensing Part is set on the bottom plate and is located in the viewing area of the bottom plate, which is covered by the light shield layer.
7. micro-led display panel according to claim 1, which is characterized in that further comprise a sensing Part is set on the bottom plate and is located in the viewing area of the bottom plate, which exposes a top surface of the sensing element, the sense Survey element be located at those it is micro-led between.
8. micro-led display panel according to claim 7, which is characterized in that the light shield layer has multiple recessed Portion and multiple protrusions, those micro-led and sensing elements are set in those recess portions, the setting of those driving chips In those protrusions, those recess surfaces at a distance from the first surface be less than those micro-led positive light-emitting surfaces with The distance of the first surface, those recess surfaces are at a distance from the first surface less than the top surface of the sensing element and first table The distance in face, those boss surfaces be greater than at a distance from the first surface those micro-led positive light-emitting surfaces and this The distance on one surface.
9. micro-led display panel according to claim 1, which is characterized in that further comprise multiple touch-controls Element, those touch control components are set on the bottom plate and are distributed in the viewing area, which covers those touch control components.
10. micro-led display panel according to claim 1, which is characterized in that those miniature light-emitting diodes Pipe includes that feux rouges is micro-led, green light is micro-led and blue light is micro-led, those feux rouges are micro- The micro-led positive light-emitting surface of the positive light-emitting surface, those green lights of type light emitting diode, those green lights are miniature to shine The distance of positive light-emitting surface to the first surface of diode is not identical.
11. micro-led display panel according to claim 10, which is characterized in that further comprise multiple pictures Plain unit, each pixel unit have that an at least feux rouges is micro-led, an at least green light is micro-led and At least a blue light is micro-led.
12. micro-led display panel according to claim 1, which is characterized in that the light shield layer has one the Two surfaces, the second surface at a distance from the first surface greater than those driving chips a top surface and the first surface away from From and less than those micro-led positive light-emitting surfaces at a distance from the first surface.
CN201810347760.8A 2018-04-18 2018-04-18 Micro light-emitting diode display panel Active CN110391261B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
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CN111261658A (en) * 2020-02-10 2020-06-09 Tcl华星光电技术有限公司 Micro light-emitting diode display panel and transfer printing method of micro light-emitting diode
CN111326082A (en) * 2020-04-14 2020-06-23 Tcl华星光电技术有限公司 Backboard unit, manufacturing method thereof and display device
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