LIGHT EMITTING DIODE DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
First Claim
1. A light emitting diode (LED) display device, comprising:
- a substrate;
at least one first bonding pad and at least one second bonding pad, disposed on the substrate;
at least one spacer located between the at least one first bonding pad and the at least one second bonding pad, wherein a height of the at least one spacer is P u m;
at least one LED disposed on the substrate and comprising a first electrode and a second electrode, wherein the first electrode and the second electrode have a height H m; and
a conductive paste layer disposed on the substrate and located between the substrate and the at least one LED, the conductive paste layer comprising a plurality of conductive particles, wherein the first electrode and the second electrode of the at least one LED are respectively electrically connected to the at least one first bonding pad and the at least one second bonding pad of the substrate through the plurality of conductive particles, and H+3.5 μ
m≧
P μ
m≧
H+0.48 μ
m.
1 Assignment
0 Petitions
Accused Products
Abstract
The disclosure provides an LED display device including a substrate, at least one first bonding pad and at least one second bonding pad, at least one spacer, at least one LED, and a conductive paste layer. The first and the second bonding pads are disposed on the substrate. The spacer is located between the first and the second bonding pads, wherein a height of the spacer is P μm. The LED is disposed on the substrate and includes a first electrode and a second electrode. The first and the second electrodes have a height H μm. The conductive paste layer is located between the substrate and the LED and includes a plurality of conductive particles. The first and the second electrodes are respectively electrically connected to the first and the second bonding pads through the conductive particles, and H+3.5 μm≧P μm≧H+0.48 μm.
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Citations
20 Claims
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1. A light emitting diode (LED) display device, comprising:
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a substrate; at least one first bonding pad and at least one second bonding pad, disposed on the substrate; at least one spacer located between the at least one first bonding pad and the at least one second bonding pad, wherein a height of the at least one spacer is P u m; at least one LED disposed on the substrate and comprising a first electrode and a second electrode, wherein the first electrode and the second electrode have a height H m; and a conductive paste layer disposed on the substrate and located between the substrate and the at least one LED, the conductive paste layer comprising a plurality of conductive particles, wherein the first electrode and the second electrode of the at least one LED are respectively electrically connected to the at least one first bonding pad and the at least one second bonding pad of the substrate through the plurality of conductive particles, and H+3.5 μ
m≧
P μ
m≧
H+0.48 μ
m. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A manufacturing method of an LED display device, comprising:
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providing a substrate; forming at least one first bonding pad and at least one second bonding pad on the substrate; forming at least one spacer on the substrate, wherein the at least one spacer is located between the at least one first bonding pad and the at least one second bonding pad, and a height of the at least one spacer is P m; providing a conductive paste layer above the substrate, the conductive paste layer comprising a plurality of conductive particles; and bonding at least one LED on the substrate, wherein the at least one LED comprises a first electrode and a second electrode, and the first electrode and the second electrode have a height H m, wherein the first electrode and the second electrode of the at least one LED are respectively electrically connected to the at least one first bonding pad and the at least one second bonding pad of the substrate through the plurality of conductive particles of the conductive paste layer, and H+3.5 μ
m≧
P μ
m≧
H+0.48 μ
m. - View Dependent Claims (11, 12, 13, 14)
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15. A manufacturing method of an LED display device, comprising:
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providing a substrate; forming a plurality of first bonding pads and a plurality of second bonding pads on the substrate, wherein the plurality of first bonding pads and the plurality of second bonding pads are alternately arranged; forming a plurality of positioning structures on the substrate, wherein the positioning structures are spaced apart from each other; providing a conductive paste layer above the substrate, wherein the conductive paste layer comprises a plurality of conductive particles; providing a wafer comprising a growth substrate and a plurality of LEDs, wherein the plurality of LEDs are located on the growth substrate and are arranged in intervals, each of the plurality of LEDs comprises a first electrode and a second electrode, and the first electrode and the second electrode have a height H μ
m;forming a plurality of spacers on the plurality of LEDs, wherein each of the plurality of spacers is located between the first electrode and the second electrode of each of the plurality of LEDs, and a height of each of the plurality of spacers is P μ
m; andbonding the wafer on the substrate, wherein the first electrode and the second electrode of each of the plurality of LEDs are respectively electrically connected to each of the plurality of first bonding pads and each of the plurality of second bonding pads of the substrate through the plurality of conductive particles of the conductive paste layer, at least two of the plurality of LEDs are located between any two of the plurality of positioning structures, and H+3.5 μ
m≧
P μ
m≧
H+0.48 μ
m. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification