Display device

Patent metadata

Field	Value
Publication number	US-9859456-B2
Application number	US-201615257445-A
Country	US
Kind code	B2
Filing date	Sep 6, 2016
Priority date	Sep 9, 2015
Publication date	Jan 2, 2018
Grant date	Jan 2, 2018

Abstract

A display device is provided. The display device includes a first substrate; a first transistor and a second transistor disposed over the first substrate; a common electrode disposed over the first substrate; and a light-emitting diode chip (LED chip) disposed over the first substrate and disposed corresponding to the first transistor and the second transistor. The light-emitting diode chip includes a first light-emitting unit and a second light-emitting unit, wherein the first light-emitting unit is electrically connected to the first transistor and the common electrode, and the second light-emitting unit is electrically connected to the second transistor and the common electrode.

First claim

What is claimed is:

1. A display device, comprising:
a first substrate;
a first transistor and a second transistor disposed over the first substrate;
a common electrode disposed over the first substrate; and
a light-emitting diode chip (LED chip) disposed over the first substrate and disposed corresponding to the first transistor and the second transistor, wherein the light-emitting diode chip comprises a first light-emitting unit and a second light-emitting unit,
wherein the first light-emitting unit is electrically connected to the first transistor and the common electrode, and the second light-emitting unit is electrically connected to the second transistor and the common electrode,
wherein the common electrode is positioned below the first light-emitting unit and the second light-emitting unit.

2. The display device as claimed in claim 1 , wherein the light-emitting diode chip (LED chip) is disposed over the first substrate and is disposed corresponding to 2N transistors, wherein N is a positive integer which is 1 or higher.

3. The display device as claimed in claim 1 , further comprising:
a third transistor disposed over the first substrate, wherein the light-emitting diode chip is disposed over the first substrate and is further disposed corresponding to the third transistor, wherein the light-emitting diode chip further comprises a third light-emitting unit, and the third light-emitting unit is electrically connected to the third transistor and the common electrode.

4. The display device as claimed in claim 3 , wherein the light-emitting diode chip (LED chip) is disposed over the first substrate and is disposed corresponding to 3N transistors, wherein N is a positive integer which is 1 or higher.

5. The display device as claimed in claim 1 , further comprising:
a fluorescent layer disposed over a light-emitting surface of the light-emitting diode chip.

6. The display device as claimed in claim 5 , further comprising:
a second substrate disposed opposite the first substrate; and
a color filter layer disposed between the first substrate and the second substrate, wherein the color filter layer comprises a first color filter unit and a second color filter unit, wherein the first color filter unit is disposed at a light-emitting path of the first light-emitting unit, and the second color filter unit is disposed at a light-emitting path of the second light-emitting unit.

7. The display device as claimed in claim 1 , further comprising:
a second substrate disposed opposite the first substrate; and
a quantum dot film disposed between the first substrate and the second substrate, wherein the quantum dot film comprises a first quantum dot film and a second quantum dot film, wherein the first quantum dot film is disposed at a light-emitting path of the first light-emitting unit, and the second quantum dot film is disposed at a light-emitting path of the second light-emitting unit.

8. The display device as claimed in claim 1 , further comprising:
a first scan line disposed over the first substrate and extending along a first direction;
a second scan line disposed over the first substrate and extending along the first direction; and
a data line disposed over the first substrate and extending along a second direction, wherein the first direction is substantially perpendicular to the second direction,
wherein the first transistor is electrically connected to the first scan line and the data line, and the second transistor is electrically connected to the second scan line and the data line.

9. The display device as claimed in claim 1 , further comprising:
a scan line disposed over the first substrate and extending along a first direction;
a first data line disposed over the first substrate and extending along a second direction; and
a second data line disposed over the first substrate and extending along the second direction, wherein the first direction is substantially perpendicular to the second direction,
wherein the first transistor is electrically connected to the first data line and the scan line, and the second transistor is electrically connected to the second data line and the scan line.

10. The display device as claimed in claim 1 , further comprising:
a third transistor and a fourth transistor disposed over the first substrate;
wherein the light-emitting diode chip (LED chip) is disposed over the first substrate and is further disposed corresponding to the third transistor and the fourth transistor, the light-emitting diode chip further comprises a third light-emitting unit and a fourth light-emitting unit, and the common electrode comprises a first common electrode and a second common electrode which intersect to each other,
wherein the third light-emitting unit is electrically connected to the third transistor and the common electrode, and the fourth light-emitting unit is electrically connected to the fourth transistor and the common electrode.

11. The display device as claimed in claim 1 , further comprising:
a scan line disposed over the first substrate;
a first data line disposed over the first substrate;
a second data line disposed over the first substrate;
a third data line disposed over the first substrate;
a fourth data line disposed over the first substrate; and
a third transistor and a fourth transistor disposed over the first substrate,
wherein the light-emitting diode chip (LED chip) is disposed over the first substrate and is further disposed corresponding to the third transistor and the fourth transistor, the light-emitting diode chip further comprises a third light-emitting unit and a fourth light-emitting unit, and the third light-emitting unit is electrically connected to the third transistor and the common electrode, and the fourth light-emitting unit is electrically connected to the fourth transistor and the common electrode,
wherein the first transistor is electrically connected to the first data line and the scan line, the second transistor is electrically connected to the second data line and the scan line, the third transistor is electrically connected to the third data line and the scan line, and the fourth transistor is electrically connected to the fourth data line and the scan line.

12. The display device as claimed in claim 1 , wherein the light-emitting diode chip completely covers the first transistor and the second transistor in a direction of a normal line of the first substrate.

13. The display device as claimed in claim 1 , wherein the light-emitting diode chip partially covers the first transistor and the second transistor in a direction of a normal line of the first substrate.

14. The display device as claimed in claim 1 , further comprising:
a second substrate disposed opposite the first substrate; and
a spacer disposed between the first substrate and the second substrate.

15. The display device as claimed in claim 14 , wherein the spacer is disposed at a non-display region of the display device.

16. The display device as claimed in claim 14 , wherein the spacer is disposed at a display region of the display device.

17. The display device as claimed in claim 1 , wherein the first light-emitting unit comprises a first electrode electrically connected to the first transistor and a second electrode electrically connected to the common electrode.

18. The display device as claimed in claim 17 , wherein the first transistor is a thin film transistor, wherein the thin film transistor comprises a gate electrode, a source electrode and a drain electrode.

19.

Assignees

• Innolux Corp

Inventors

• Peng Jen-Chieh
• Hsieh Tsau-Hua
• Chen Bo-Feng
• Hu Shun-Yuan

Classifications

• H10W90/00

  Package configurations · CPC title

• H10H20/857 Primary

  Interconnections, e.g. lead-frames, bond wires or solder balls · CPC title

• H01L27/15

  Electricity · mapped topic

• H01L33/502

  Electricity · mapped topic

• H01L27/124

  Electricity · mapped topic