Light emitting diode array substrate and method of repairing the same

Abstract

This invention provides a light-emitting diode (LED) array substrate, which includes a substrate and at least two LED elements. The substrate includes a P-polarity (P-polarity) block, an N-polarity (N-polarity) block spaced apart from the P-polarity block, and at least one indirect electrode block spaced apart from the P-polarity block and the N-polarity block. The P-polarity and N-polarity of one LED element are respectively connected to the P-polarity block and the indirect electrode block, while the P-polarity and N-polarity of the other LED element are respectively connected to the indirect electrode block and the N-polarity block. The LED elements are electrically connected to each other in series.

Claims

1. A light-emitting diode array substrate, comprising: a substrate including: a P-polarity block; an N-polarity block spaced apart from the P-polarity block; and at least one indirect electrode block spaced apart from the P-polarity block and the N-polarity block, wherein a first gap exists between the P-polarity block and the N-polarity block of the substrate, and a second gap exists between the indirect electrode block and the P-polarity block and the N-polarity block respectively, wherein the first gap is larger than the second gap; and at least two light-emitting diode elements, wherein the P-polarity and N-polarity of one of the light-emitting diode elements are respectively connected to the P-polarity block and the indirect electrode block, and the P-polarity and N-polarity of the other of the light-emitting diode elements are respectively connected to the indirect electrode block and the N-polarity block, wherein the light-emitting diode elements are electrically connected to each other in series.

2. The light-emitting diode array substrate as described in claim 1 further comprises: a repair light-emitting diode element, wherein the P-terminal of the repair light-emitting diode element is connected to the P-terminal block of the substrate, and the N-terminal of the repair light-emitting diode element is connected to the N-terminal block of the substrate.

3. The light-emitting diode array substrate as described in claim 2, wherein the P-pole and N-pole of the light-emitting diode elements are interconnected in a first direction, and the P-pole and N-pole of the repaired light-emitting diode element are interconnected in a second direction, wherein the first direction is orthogonal to the second direction.

4. The light-emitting diode array substrate as claimed in claim 2, wherein the light-emitting area of ​​the repaired light-emitting diode element is an integer multiple of the light-emitting area of ​​each of the light-emitting diode elements, and the light-emitting area of ​​the repaired light-emitting diode element is at least twice the light-emitting area of ​​each of the light-emitting diode elements.

5. The light-emitting diode array substrate as claimed in claim 1 further comprises: at least two pads disposed between the light-emitting diode elements and the substrate, wherein one pair of the pads is located on the P-polarity block and the indirect electrode block, and the other pair of the pads is located on the indirect electrode block and the N-polarity block, respectively.

6. The light-emitting diode array substrate as claimed in claim 5 further comprises: at least one solder material disposed between at least one pair of the pads, and the pads are electrically connected to each other by means of the solder material.

7. The light-emitting diode array substrate as claimed in claim 1, wherein the number of indirect electrode blocks is two, and the P-pole and N-pole of one of the light-emitting diode elements are respectively connected to the P-pole block and one of the indirect electrode blocks, while the P-pole and N-pole of the other light-emitting diode element are respectively connected to the other of the indirect electrode blocks and the N-pole block, and one of the indirect electrode blocks is electrically connected to the other of the indirect electrode blocks.

8. The light-emitting diode array substrate as claimed in claim 7, wherein the number of light-emitting diode elements is three, and the P-pole and N-pole of at least one of the light-emitting diode elements are respectively connected to different indirect electrode blocks.

9. A method for repairing a light-emitting diode array substrate, comprising: providing a failed light-emitting diode array substrate, the light-emitting diode array substrate comprising: a substrate comprising: a P-polarity block; an N-polarity block spaced apart from the P-polarity block; and at least one indirect electrode block spaced apart from the P-polarity block and the N-polarity block, wherein a first gap exists between the P-polarity block and the N-polarity block of the substrate, and a second gap exists between the indirect electrode block and the P-polarity block and the N-polarity block respectively, wherein the first gap is larger than the second gap; and at least two light-emitting diode elements, wherein the P-polarity and N-polarity of one of the light-emitting diode elements are respectively connected to the P-polarity block and the indirect electrode block, and the P-polarity and N-polarity of the other of the light-emitting diode elements are respectively connected to the indirect electrode block and the N-polarity block, wherein the light-emitting diode elements are electrically connected to each other in series, and at least one of the light-emitting diode elements is failed; Remove the light-emitting diode elements; and provide a repair light-emitting diode element on the substrate, wherein the P-pole and N-pole of the repair light-emitting diode element are respectively connected to the P-pole block and the N-pole block of the substrate.

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