CN207353247U - A kind of micro-led display panel - Google Patents
A kind of micro-led display panel Download PDFInfo
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- CN207353247U CN207353247U CN201721469998.5U CN201721469998U CN207353247U CN 207353247 U CN207353247 U CN 207353247U CN 201721469998 U CN201721469998 U CN 201721469998U CN 207353247 U CN207353247 U CN 207353247U
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Abstract
The utility model discloses a kind of micro-led display panel, which includes：First substrate；Multiple micro-led chips on the first substrate and multiple connection units are set；Micro-led chip is electrically connected by the first connecting line and the second connecting line with corresponding connection unit；For the micro-led chip of any two, the sum of the sum of the corresponding first connecting line line resistance of one of them micro-led chip and the resistance of the second connecting line line are equal to the corresponding first connecting line line resistance of another micro-led chip and the second connecting line line hinders, line length or line width positioned at corresponding first connecting line of the micro-led chip of any two of same row is different, and/or the line length or line width difference of corresponding second connecting line of the micro-led chip of any two positioned at same row.In the utility model, chip link design is simple, realizes micro-led shine uniformly.
Description
Technical field
The utility model embodiment is related to Display Technique, more particularly to a kind of micro-led display panel.
Background technology
The micro-led Display Technique as a new generation, has very big application potential.But utilize chip-scale
When micro-led chip is electrically connected on film substrate by welding technique, still there is the problems such as bad point.For the ease of
The position of bad point is detected, usually micro-led chip is parallel on film substrate.However, micro-led core
Its non-uniform light is easy to cause when piece is using connection mode in parallel.
It is usually each in the prior art in order to solve the problems, such as that the micro-led chip light emitting of parallel connection is non-uniform
Micro-led one resistance of chip-in series, so that identical by the electric current of micro-led chip.Obviously, it is this
Circuit design can cause the wires design of display panel complex.
Utility model content
The utility model provides a kind of micro-led display panel, is realizing micro-led chip light emitting
While uniform, panel wires design complexity is reduced.
The utility model embodiment proposes a kind of micro-led display panel, including：
First substrate；
The multiple micro-led chips being arranged on the first substrate, the multiple micro-led core
Piece is arranged in array, and the micro-led chip includes first electrode and second electrode, the multiple miniature to shine two
Pole pipe chip has opposite the first side and the second side, and the direction that second side is directed toward in first side is first direction and institute
It is parallel with array column direction to state first direction, second direction is parallel with array line direction；
Multiple connection units of the first side of the multiple micro-led chip are arranged on, the multiple connection is single
First to be correspondingly arranged respectively with the multiple micro-led chip, the connection unit includes the first connecting pin and second and connects
End is connect, the first electrode of the micro-led chip passes through first connecting line and the corresponding connection unit
First connecting pin be electrically connected, and the micro-led chip second electrode by second connecting line with it is corresponding
The connection unit second connection end be electrically connected；
For micro-led chip described in any two, one of them described micro-led chip corresponds to
The resistance of the first connecting line line and the sum of the second connecting line line resistance corresponding equal to another described micro-led chip the
The sum of one connecting line line hinders and the second connecting line line hinders, micro-led chip pair described in any two positioned at same row
The line length or line width for the first connecting line answered are different, and/or, micro-led core described in any two positioned at same row
The line length or line width of corresponding second connecting line of piece are different.
Further, the first electrode of the micro-led chip is anode, the micro-led core
The second electrode of piece is cathode.
Further, for micro-led chip described in any two, one of them described miniature light-emitting diodes
The resistance of tube chip corresponding first connecting line line is equal to the corresponding first connecting line line of another described micro-led chip
Resistance, and the corresponding second connecting line line resistance of one of them described micro-led chip are equal to another described miniature hair
The corresponding second connecting line line resistance of luminous diode chip.
Further, positioned at corresponding a plurality of first connecting line of each micro-led chip of same row
Line length increase successively along the first direction and line width increases successively along the first direction, positioned at each described of same row
The line length of corresponding a plurality of second connecting line of micro-led chip increases successively along the first direction and line
Width increases successively along the first direction.
Further, often the adjacent two row micro-led chips share second connecting line and are total to
With a second connection end.
Further, positioned at corresponding a plurality of first connecting line of each micro-led chip of same row
Line length increase successively along the first direction and line width increases successively along the first direction.
Further, the first substrate is rigid substrates or flexible base board.
Further, the thickness of the first substrate is 50 microns to 100 microns.
Further, first connecting line and second connecting line are patterned nano-silver thread, metal grill
Or transparent graphene conductive film.
Further, the thickness of first connecting line and second connecting line is 30 nanometers to 100 nanometers.
The micro-led display panel that the utility model embodiment provides, passes through the different line lengths of every connecting line
With the design of line width, it ensure that each micro-led chip is consistent to the line resistance between its corresponding connection unit, solution
The problem of wires design is complex under micro-led chip parallel way of having determined, realizes micro-led core
While piece shines uniform, the wires design of micro-led display panel is relatively simple.
Brief description of the drawings
Fig. 1 is a kind of structure diagram for micro-led display panel that the utility model embodiment one provides.
Fig. 2 is the structural representation for another micro-led display panel that the utility model embodiment one provides
Figure.
Fig. 3 is a kind of structure diagram for micro-led display panel that the utility model embodiment two provides.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.Further need exist for
It is bright, for the ease of description, part relevant with the utility model rather than entire infrastructure are illustrate only in attached drawing.
Embodiment one
Fig. 1 is a kind of structure diagram for micro-led display panel that the utility model embodiment one provides.
As shown in Figure 1, this micro-led display panel includes first substrate 100, it is arranged on multiple micro- on first substrate 100
Type light-emitting diode chip for backlight unit 110, multiple micro-led chips 110 are arranged in array, micro-led chip 110
Including first electrode 111 and second electrode 112, multiple micro-led chips 110 have opposite the first side 113 and the
Two sides 114, the direction that the second side 114 is directed toward in the first side 113 are the row side of first direction Y-direction, first direction Y-direction and array
To parallel, second direction X-direction is parallel with the line direction of array.It is arranged on the first of multiple micro-led chips 110
Multiple connection units 120 of side 113, multiple connection units 120 with multiple micro-led chips 110 are corresponding respectively sets
Put, connection unit 120 includes the first connecting pin 121 and second connection end 122, the first electricity of micro-led chip 110
Pole 111 is electrically connected by first connecting line 101 with the first connecting pin 121 of corresponding connection unit 120, and miniature luminous two
Second connection end of the second electrode 112 of pole pipe chip 110 by second connecting line 102 with corresponding connection unit 120
122 are electrically connected；It is corresponding for the micro-led chip of any two 110, one of them micro-led chip
First connecting line, 101 line hinders and the sum of 102 line of the second connecting line resistance corresponding equal to another micro-led chip the
The sum of one connecting line, 101 line hinders and 102 line of the second connecting line hinders, positioned at the micro-led chip of any two of same row
The line length or line width of 110 corresponding first connecting lines 101 are different, and/or, positioned at the miniature light-emitting diodes of any two of same row
The line length or line width of corresponding second connecting line 102 of tube chip 110 are different.
It should be noted that the micro-led chip array for showing 3 rows 4 row exemplary in Fig. 1, is not pair
The restriction of the micro-led display panel of the utility model, in other embodiments, those skilled in the art are in this reality
Needs can be designed according to panel with the guidance of new design, the micro-led of any line number and any columns is set
Chip array.
Secondly, to clearly show that the micro-led chip 110 of any two positioned at same row is corresponding in figure
First connecting line 101, and/or, the line length or line width of the second connecting line 102 are different, and the utility model is corresponding attached in embodiment
The exemplary thickness with connecting line represents its line width in figure, and only schematically represents the width relation of connecting line, not generation
Table actual numerical value, the developed width of connecting line can arbitrarily be set according to panel demand.
Again, the first electrode 111 of micro-led chip 110 and second electrode 112 are oppositely arranged, and are shown in Fig. 1
The first electrode 111 for showing micro-led chip 110 of example property is located at the negative direction of X-direction, and second electrode is located at X
The positive direction in direction, it is that the present embodiment is illustrated for convenience so to set, and not miniature to the utility model luminous
The restriction of diode display panel.In other embodiments, those skilled in the art can under the guidance that the utility model is conceived
To need the position of any first electrode 111 and second electrode 112 for setting micro-led chip 110 according to panel design
Put.
In addition, the exemplary N-terminal using micro-led chip 110 is as first electrode 111, the conduct of P ends in Fig. 1
Second electrode 112, it is that the present embodiment is illustrated for convenience so to set, and not miniature to the utility model luminous two
The restriction of pole pipe display panel.In other embodiments, those skilled in the art can under the guidance that the utility model is conceived
To design needs according to panel, the P ends for setting micro-led chip 110 are first electrode 111, and N-terminal is second electrode
112。
Specifically, with reference to Fig. 1 and micro-led display panel shown in Figure 2, set on first substrate 100
There is the micro-led chip 110 that 3 rows 4 arrange, multiple micro-led chips 110 are arranged by the position shown in figure
It is as follows：
Wherein, each micro-led chip 110 can be represented (not show in Fig. 1, example in Fig. 2 with 110/110ij
Property the micro-led chip 110 for illustrating first row), wherein i is represented where micro-led chip 110
Row, j represent micro-led chip 110 and are expert at.
The first electrode 111 of micro-led chip 110/110ij by the first connecting line 101/101ij with it is corresponding
The first connecting pin 121 of connection unit 120 be electrically connected, the second electrode 112 of micro-led chip 110/110ij is logical
The second connection end 122 that the second connecting line 102/102ij is crossed with corresponding connection unit 120 is electrically connected, in Fig. 2 it is exemplary only
Show the connecting line of the micro-led chip of first row.For the micro-led chip of any two 110, example
Property for micro-led chip 110/11011 and micro-led chip 110/11012, miniature light-emitting diodes
The sum of corresponding first connecting line, the 101/10111 line resistance of tube chip 110/11011 and the resistance of 102/10211 line of the second connecting line are equal to
Corresponding first connecting line, the 101/10112 line resistance of micro-led chip 110/11012 and the second connecting line 102/10212
The sum of line resistance；Meanwhile positioned at the micro-led chip 110 of any two of same row, it is exemplary, for being similarly positioned in
The micro-led chip 110/11012 and micro-led chip 110/11013 of 1st row, miniature light-emitting diodes
Corresponding first connecting line 101/10112 of tube chip 110/11012 and micro-led chip 110/11013 corresponding
The line length or line width of one connecting line 101/10113 are different, and/or, micro-led chip 110/11012 corresponding second
The line length of connecting line 102/10212 and corresponding second connecting line 102/10213 of micro-led chip 110/11013 or
Line width is different.
Wherein, the line of the first connecting line 101 and the second connecting line 102 resistance can be calculated with equation below：
Line resistance=line length/(line width * square resistances)
For the transparent conductive film of same material, its square resistance is consistent, each micro-led in order to ensure
First connecting line 101 of chip 110 is consistent with the resistance of 102 line of the second connecting line, need to be to the company of each micro-led chip 110
The line length and line width of wiring are designed.
Wherein, the first connecting line 101 and second between micro-led chip 110 and corresponding connection unit 120
Connecting line 102 can by plating transparent conductive film on first substrate 100, after plated transparent conductive film performed etching and obtain
Arrive.
Specifically, first by physical coating method or chemical thought, the low-pressure chemical vapor deposition such as sputtering, evaporating
Layer of transparent conductive film is deposited on first substrate 100 Deng chemical plating method；Then laser dry etching or molten is passed through
The lithographic methods such as liquid wet etching isolate transparent conductive film conduction region, form the first connecting line 101 and the second connecting line
102.Using the region of stain filling mark as coating film area on first substrate 100 in corresponding diagram 1 and Fig. 2, coating film area, which is carved, stitches
It is partitioned into a plurality of first connecting line 101 and a plurality of second connecting line 102, the white line between two connecting lines of arbitrary neighborhood
Quarter seam as between the two neighboring connecting line.Micro-led chip 110 and connection unit 120 are electric by welding etc.
Connection mode passes through flexibility at the same time with the 102 corresponding electrical connection of the first connecting line 101 and the second connecting line, connection unit 120 respectively
Printed circuit board (PCB) (Flexible Printed Circuit, abbreviation FPC plate) connects external drive circuit, so as to be formed different
Circuit loop.It is micro-led aobvious when micro-led chip receives the drive signal of external drive circuit
Show that panel works.
It should be noted that during laser dry etching forms the first connecting line 101 and the second connecting line 102,
Need strictly to control etching depth.On the one hand, it is necessary to which enough etching depths, can carve out transparent conductive film completely,
It is i.e. so that completely isolated between two connecting lines of arbitrary neighborhood, if etching depth is inadequate, adjacent two connecting lines may be caused
It is electrically connected, so as to cause short circuit；On the other hand, etching depth cannot be too deep, if etching depth is too deep, not only by electrically conducting transparent
Thin film conductive area is completely isolated, has also carried out partial etching to first substrate 100, then can cause stay on first substrate 100
Lower etching trace, so as to influence the light transmission rate of micro-led display panel, and then limits micro-led aobvious
Show the application of panel.
It is arranged in array generally, due to micro-led chip, shines so same row is miniature on the first substrate
Diode chip for backlight unit is different from the relative distance of connection unit, and the mode connected according to conventional conducting wire connects miniature light-emitting diodes
Tube chip and corresponding connection unit, the line resistance of the connecting line of each micro-led chip is different, so as to cause to flow through each
The electric current of micro-led chip is different so that micro-led chip light emitting is uneven.In the present embodiment, pass through
Different line lengths and/or line width are designed, makes the line resistance of the connecting line of each micro-led chip consistent, further, makes
It is consistent to obtain the electric current that each micro-led chip flows through, and then ensure that micro-led chip light emitting is uniform.
Further, (correspondence is micro-led for anode for the first electrode 111 of micro-led chip 110
The P ends of chip 110), the second electrode 112 of micro-led chip 110 is cathode (corresponding micro-led chip
N-terminal).
Further, for the micro-led chip of any two 110, one of them micro-led chip
The line resistance of 110 corresponding first connecting lines 101 is equal to corresponding first connecting line of another micro-led chip 110
101 lines hinder, and to be equal to another micro- for corresponding second connecting line, the 102 line resistance of one of them micro-led chip 110
Corresponding second connecting line, the 102 line resistance of type light-emitting diode chip for backlight unit 110.Exemplary, with continued reference to Fig. 2, shine for miniature
Diode chip for backlight unit 110/11013 and micro-led chip 110/11011, micro-led chip 110/11013
The line resistance of corresponding first connecting line 101/10113 is equal to micro-led chip 110/11011 corresponding first and connects
The line resistance of line 101/10111, corresponding second connecting line, the 102/10213 line resistance of micro-led chip 110/11013 etc.
In corresponding second connecting line, the 102/10211 line resistance of micro-led chip 110/11011.
Specifically, referring to Figures 1 and 2, for the micro-led chip 110 of every a line, its corresponding first company
The line length of wiring 101 is identical with line width, and then the line resistance of its corresponding first connecting line 101 is identical；Meanwhile its corresponding second
The line length and line width all same of connecting line 102, and then the line resistance of its corresponding second connecting line 102 is identical.For each row
Micro-led chip 110, the line length and line width of its corresponding first connecting line 101 are different, still, by line length and
The design of line width can ensure that the line resistance of its corresponding first connecting line 101 is identical；Similarly, its corresponding second connecting line 102
Line length and line width it is different, still, its corresponding second connecting line 102 can be ensured by the design to line length and line width
Line resistance is identical.In this way, by the design to line length and line width, ensure the line of the corresponding connecting line of each micro-led chip
Hinder identical, so that the electric current for flowing through each micro-led chip is identical, realize micro-led chip light emitting
Uniformly and wires design is relatively simple.In addition, for each micro-led chip 110 of same a line, its corresponding first
Connecting line 101 can be formed using identical etching path, and its corresponding second connecting line 102 can use identical etching road
Footpath is formed, at the same the first connecting line 101 and the second connecting line 102 can axisymmetric shape into.For each miniature luminous the two of same row
Pole pipe chip 110, its corresponding first connecting line 101 and the second connecting line 102 can axisymmetric shape into such design avoids
For the individually designed different line length of each micro-led chip 110 and line width, further simplify micro-led
The wires design of display panel, and then the manufacture craft of micro-led display panel is simplified, it is easy to implement miniature hair
The large-scale production of optical diode display panel.
Further, positioned at each micro-led chip 110 corresponding a plurality of first connecting line 101 of same row
Line length in the first direction Y-direction increase successively and line width Y-direction increases successively in the first direction, positioned at each miniature of same row
Y-direction increases and line width the line length of corresponding a plurality of second connecting line 102 of light-emitting diode chip for backlight unit 110 successively in the first direction
Y-direction increases successively in the first direction.
Specifically, since the micro-led chip 110 on first substrate 100 is arranged in array, corresponding connection
Unit 120 is located at 113 side of the first side of micro-led chip 110, so that each miniature light-emitting diodes positioned at same row
Tube chip 110 gradually increases with the distance of corresponding connection unit 120 with the extension of first direction Y-direction.Therefore, in order to
Make, i.e., first company simple positioned at each micro-led chip 110 of same row and the line between corresponding connection unit 120
The few bending as far as possible of 101 and second connecting line 102 of wiring, need to be that the micro-led chip 110 of neighbouring connection unit 120 is set
Haggle over short the first connecting line 101 and the second connecting line 102, be the micro-led chip 110 away from connection unit 120
Design longer the first connecting line 101 and the second connecting line 102；At this time, in order to ensure that each micro-led chip 110 is right
The line resistance for the connecting line answered is consistent, hinders calculation formula according to above-mentioned line, and when line length increase, perhaps line width increases, so, it is
The micro-led chip 110 of neighbouring connection unit 120 designs relatively narrow the first connecting line 101 and the second connecting line 102,
Wider the first connecting line 101 and the second connecting line are designed for the micro-led chip 110 away from connection unit 120
102。
Exemplary, by taking each micro-led chip 110 of first row shown in Figure 2 as an example, its corresponding
The line length of one connecting line 101 is from short to long and line width sequence from narrow to wide is followed successively by：
101/10111 101/10112 101/10113；
The line length of its corresponding second connecting line 102 is from short to long and line width sequence from narrow to wide is followed successively by：
102/10211 102/10212 102/10213。
It is above-mentioned to be connected according to each micro-led 110 with the far and near design first of the relative distance of connection unit 120
The line length and line width of 101 and second connecting line 102 of line, ensure that the line resistance of the corresponding connecting line of each micro-led chip
Unanimously, shine uniform, and wires design is more simple.
Embodiment two
Fig. 3 is a kind of structure diagram for micro-led display panel that the utility model embodiment two provides.
As shown in figure 3, on the basis of above-described embodiment one, one second is shared per the adjacent two micro-led chips 110 of row
Connecting line 102 and a shared second connection end 122；At this time, per the first of the adjacent two micro-led chips 110 of row
Electrode is disposed adjacent, and second electrode is disposed adjacent.
Exemplary, the micro-led chip 110 of first row and secondary series shown in Fig. 3 is micro-led
Chip 110, i.e., micro-led chip 110/11011,110/11012,110/11013,110/11021,110/11022
With 110/11023 (it is exemplary in Fig. 3 only to denote micro-led 110 with 110, but and it is not specifically indicated first
Each micro-led chip 110 in row and secondary series, the schematical part mark that can be found in Fig. 2) share one article the
Two connecting lines 102, and this second connecting line 102 connects a second connection end 122, the i.e. micro-led core of first row
Piece and the micro-led chip of secondary series share a second connection end 122.The 3rd micro-led chip of row and
The 4th micro-led chip of row, and so on.At this time, the first electrode of the micro-led chip 110 of first row
The first electrode (N-terminal) of (N-terminal) chip 110 micro-led with secondary series is disposed adjacent, the miniature light-emitting diodes of secondary series
The second electrode (P ends) of tube chip 110 is disposed adjacent with the second electrode (P ends) of the 3rd micro-led chip 110 of row.
And so on.Exemplary, the second connecting line 102 is cathode line, i.e. each micro-led chip 110 can use in Fig. 3
Common cathode structure connects.
In this way, it is consistent per the line resistance of corresponding second connecting line 102 of the adjacent two micro-led chips 110 of row, only
The line resistance that corresponding first connecting line 101 of each micro-led chip 110 need to be designed is consistent, you can ensures each miniature luminous
The line resistance of the corresponding connecting line of diode chip for backlight unit is consistent, is set so as to further simplify micro-led display panel wiring
Meter.Meanwhile connect same second connection end 122 per the adjacent two micro-led chips 110 of row, that is, receive same letter
The external drive signal of number line transmission, and then simplify the design of external drive circuit.
Further, positioned at same row corresponding first connecting line 101 of each micro-led chip 110 line length
In the first direction Y-direction increase successively and line width Y-direction increases successively in the first direction.
Specifically, since the micro-led chip 110 on first substrate 100 is arranged in array, corresponding connection
Unit 120 is located at 113 side of the first side of micro-led chip 110, so that each miniature light-emitting diodes positioned at same row
Tube chip 110 gradually increases with the distance of corresponding connection unit 120 with the extension of first direction Y-direction.Simultaneously as
Second connecting line 102 is shared per the adjacent two micro-led chips 110 of row, therefore, per each miniature of adjacent two row
The line resistance of corresponding second connecting line 102 of light-emitting diode chip for backlight unit 110 is consistent.At this time, it is each micro- positioned at same row in order to ensure
Type light-emitting diode chip for backlight unit 110 shines uniformly, i.e. the line resistance of its corresponding connecting line is consistent, need to design its corresponding first connection
The line resistance of line 101 is consistent.Equally, need to be the miniature of neighbouring connection unit 120 in order to make the few bending as far as possible of the first connecting line 101
Light-emitting diode chip for backlight unit 110 designs the first shorter connecting line 101 of line length, is the miniature light-emitting diodes away from connection unit 120
Tube chip 110 designs the first longer connecting line 101 of line length.Meanwhile calculation formula is hindered according to above-mentioned line, in order to ensure line resistance one
Cause, when the line length of the first connecting line 101 is longer, wider line width need to be designed.Therefore, it is the miniature of neighbouring connection unit 120
Light-emitting diode chip for backlight unit 110 designs the first relatively narrow connecting line 101, is the micro-led core away from connection unit 120
Piece 110 designs the first wider connecting line 101.
It is above-mentioned to be connected according to each micro-led 110 with the far and near design first of the relative distance of connection unit 120
The line length and line width of line 101, ensure that the line resistance of the corresponding connecting line of each micro-led chip is consistent, shine uniform,
And wires design is more simple.
Exemplary, by taking each micro-led chip 110 of first row in Fig. 3 and secondary series as an example, wherein, first
Corresponding first connecting line 101 of each micro-led chip 110 of row is (exemplary in Fig. 3 only to denote the first connection
Line 110, but corresponding first connecting line of micro-led chip 110 for not indicating first row and secondary series, signal
Property the part mark that can be found in Fig. 2) line length from short to long and line width sequence from narrow to wide is followed successively by：
101/10111 101/10112 101/10113；
Wherein, the line length of corresponding first connecting line 101 of each micro-led chip 110 of secondary series is from short to long
And the sequence of line width from narrow to wide is followed successively by：
101/10121 101/10122 101/10123。
In this way, by sharing the second connecting line 102 and second connection end 122, miniature light-emitting diodes are further simplify
The wires design of pipe display panel.
Further, first substrate 100 is rigid substrates or flexible base board, and rigid substrates include glass substrate, flexible base
The plate transparent substrate such as including polyesters.
Wherein, polyesters substrate includes makrolon (Polycarbonate, abbreviation PC), poly terephthalic acid class plastics
(Polyethylene terephthalate, abbreviation PET) and polyethylene naphthalate (Polyethylene
Naphthalate two formic acid glycol ester, abbreviation PEN) etc. substrate.
Further, the thickness of first substrate 100 is 50 microns to 100 microns.Limiting the thickness of first substrate herein is
For the ease of realizing that the microminiaturization of micro-led display panel designs, so that its application range is wider.
Further, the first connecting line 101 and the second connecting line 102 be patterned nano-silver thread, metal grill or
The transparent conductive films such as graphene.
Wherein, patterned design is to meet the design requirement of each micro-led chip line length and line width.
In addition, the electric conductivity of metal grill and graphene film is preferable, the light transmission rate of nano-silver thread is higher.It is different in order to meet
Different transparent conductive films may be selected in the design requirement of micro-led display panel, those skilled in the art.
Further, the thickness of the first connecting line 101 and the second connecting line 102 is 30 nanometers to 100 nanometers.Limit herein
The thickness for determining connecting line is to realize micro-led display on the premise of the excellent conductive performance of connecting line is ensured
Panel has higher light transmission rate, so that its application range is wider.
Technical solution provided in this embodiment, one second connection is shared using the adjacent two micro-led chips of row
Line and a shared second connection end, the further of wires design for realizing micro-led display panel simplify.
Note that it above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from the scope of protection of the utility model.Therefore, although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and the scope of the utility model is by appended
Right determine.
Claims (10)
- A kind of 1. micro-led display panel, it is characterised in that including：First substrate；The multiple micro-led chips being arranged on the first substrate, the multiple micro-led chip are in Array arrangement, the micro-led chip includes first electrode and second electrode, the multiple micro-led Chip has opposite the first side and the second side, and the direction of second side is directed toward as first direction and described the in first side One direction is parallel with array column direction, and second direction is parallel with array line direction；Be arranged on multiple connection units of the first side of the multiple micro-led chip, the multiple connection unit with The multiple micro-led chip is correspondingly arranged respectively, and the connection unit includes the first connecting pin and the second connection End, the first electrode of the micro-led chip pass through one article of first connecting line and the corresponding connection unit the One connecting pin be electrically connected, and the micro-led chip second electrode by second connecting line with it is corresponding The second connection end of the connection unit is electrically connected；For micro-led chip described in any two, one of them described micro-led chip corresponding One connecting line line hinders and the sum of the second connecting line line resistance is equal to corresponding first company of another described micro-led chip The sum of wiring line hinders and the second connecting line line hinders, and micro-led chip is corresponding described in any two positioned at same row The line length or line width of first connecting line are different, and/or, micro-led chip pair described in any two positioned at same row The line length or line width for the second connecting line answered are different.
- 2. micro-led display panel according to claim 1, it is characterised in that described micro-led The first electrode of chip is anode, and the second electrode of the micro-led chip is cathode.
- 3. micro-led display panel according to claim 1, it is characterised in that for micro- described in any two Type light-emitting diode chip for backlight unit, the corresponding first connecting line line resistance of one of them described micro-led chip are equal to another The corresponding first connecting line line resistance of the micro-led chip, and one of them described micro-led chip The resistance of corresponding second connecting line line is equal to the corresponding second connecting line line resistance of another described micro-led chip.
- 4. the micro-led display panel according to claim 1 or 3, it is characterised in that positioned at each of same row The line length of corresponding a plurality of first connecting line of the micro-led chip along the first direction increase successively with And line width increases successively along the first direction, positioned at the corresponding a plurality of institute of each micro-led chip of same row State that the line length of the second connecting line increases successively along the first direction and line width increases successively along the first direction.
- 5. micro-led display panel according to claim 1, it is characterised in that described miniature per adjacent two row Light-emitting diode chip for backlight unit shares second connecting line and shares a second connection end.
- 6. micro-led display panel according to claim 5, it is characterised in that positioned at each described of same row The line length of corresponding a plurality of first connecting line of micro-led chip increases successively along the first direction and line Width increases successively along the first direction.
- 7. micro-led display panel according to claim 1, it is characterised in that the first substrate is rigidity Substrate or flexible base board.
- 8. micro-led display panel according to claim 7, it is characterised in that the thickness of the first substrate For 50 microns to 100 microns.
- 9. micro-led display panel according to claim 1, it is characterised in that first connecting line and institute It is patterned nano-silver thread, metal grill or transparent graphene conductive film to state the second connecting line.
- 10. micro-led display panel according to claim 9, it is characterised in that first connecting line and The thickness of second connecting line is 30 nanometers to 100 nanometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830501A (en) * | 2018-12-22 | 2019-05-31 | 友达光电股份有限公司 | Luminescence component substrate |
| CN110649059A (en) * | 2019-09-30 | 2020-01-03 | 京东方科技集团股份有限公司 | Backlight source display method and device |
| CN112713230A (en) * | 2020-12-29 | 2021-04-27 | 安徽黑洞科技有限公司 | Manufacturing method of LED transparent screen |
| WO2023028793A1 (en) * | 2021-08-30 | 2023-03-09 | 京东方科技集团股份有限公司 | Light-emitting substrate and display apparatus |
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2017
- 2017-11-07 CN CN201721469998.5U patent/CN207353247U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830501A (en) * | 2018-12-22 | 2019-05-31 | 友达光电股份有限公司 | Luminescence component substrate |
| CN110649059A (en) * | 2019-09-30 | 2020-01-03 | 京东方科技集团股份有限公司 | Backlight source display method and device |
| CN110649059B (en) * | 2019-09-30 | 2022-04-15 | 京东方科技集团股份有限公司 | Backlight source display method and device |
| CN112713230A (en) * | 2020-12-29 | 2021-04-27 | 安徽黑洞科技有限公司 | Manufacturing method of LED transparent screen |
| WO2023028793A1 (en) * | 2021-08-30 | 2023-03-09 | 京东方科技集团股份有限公司 | Light-emitting substrate and display apparatus |
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