IP Library › Granted Patent US 10,923,557
Granted Patent B2
US 10,923,557 · App. 16/577,618 · Granted Feb 16, 2021

Active-matrix light-emitting diode (AMOLED) free of TFT within an active area

Inventors: Yih Chang (New Taipei, TW); Yusheng Chang (New Taipei, TW)
Assignee: AROLLTECH CO., LTD.
H01L27/3276H01L51/0096H01L2251/533H01L2251/5315
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Quick Facts
Patent No.
US 10,923,557
App. No.
16/577,618
Granted
Feb 16, 2021
Kind
B2
Abstract

An AMOLED free of TFT in the active area includes a first substrate; an organic light-emitting diode (OLED) device disposed on the first substrate; a plurality of conductive lines disposed on the first substrate; and connected to the OLED device; and a driving device having TFT functions, connected to the OLED device through the conductive lines, configured to drive the OLED device, and disposed outside of the active area.

Claims (30)

1. An AMOLED, comprising:

a first substrate;

an organic light-emitting diode (OLED) device disposed on the first substrate;

a plurality of conductive lines disposed on the first substrate and connected to the OLED device; and

a driving device connected to the OLED device through the conductive lines, and configured to drive the OLED device, and disposed outside of the active area;

wherein the AMOLED is free of thin-film transistors (TFT) in the active area.

2. The AMOLED of claim 1 , wherein the first substrate is a polyimide (PI) substrate or an ultra-thin glass (UTG) substrate.

3. The AMOLED of claim 1 , wherein the driving device is disposed on one of the first and second surfaces of the first substrate.

4. The AMOLED of claim 1 , further comprising:

a passivation layer disposed on the OLED device, wherein the OLED device provides a top-emission function.

5. The AMOLED of claim 4 , wherein the OLED device is disposed on the first substrate by being formed on the first substrate.

6. The AMOLED of claim 1 , further comprising:

a second substrate, disposed on the OLED device, wherein the OLED device provides a bottom-emission function.

7. The AMOLED of claim 6 , wherein the second substrate is disposed on the OLED device by formation of the OLED device on the second substrate.

8. The AMOLED of claim 7 , wherein the second substrate is disposed on the OLED device by formation of the OLED device on the first substrate.

9. An AMOLED, comprising:

a first substrate comprising a first surface, a second surface opposite to the first surface, a first region and a second region adjacent to the first region;

an organic light-emitting diode (OLED) device, disposed on the first surface and above the first region; and

a driving device configured for driving the OLED device and disposed on the second surface and under the second region,

wherein the first region is disposed within an active area of the AMOLED, and the second region is disposed within a non-active area of the AMOLED, and the AMOLED is free of thin-film transistors (TFT) in the active area.

10. The AMOLED of claim 9 , further comprising:

an interconnect, disposed in the first substrate and penetrating from the first surface to the second surface of the first substrate, and configured for electrical connection to the OLED device.

11. The AMOLED of claim 10 , further comprising:

a plurality of conductive lines disposed on the first substrate and coupling the interconnect to the driving device.

12. The AMOLED of claim 9 , wherein the OLED device disposed above the driving device is absent.

13. An AMOLED, free of thin-film transistors (TFT) in the active area of the AMOLED and comprising:

a first substrate comprising a first surface, a second surface opposite to the first surface, a first region and a second region adjacent to the first region;

an organic light-emitting diode (OLED) device, disposed on the first surface and above the first region; and

a driving device configured for driving the OLED device;

wherein the first region is disposed within the active area of the AMOLED and is free of the thin-film transistors (TFT) of the AMOLED, and wherein the second region is disposed within a non-active area of the AMOLED.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 14, 2023
From: AROLLTECH CO., LTD.
To: AROLLTECH CO., LTD.
Reel/Frame 065553/0643 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 27, 2019
From: CHANG, YIH; CHANG, YUSHENG
To: AROLLTECH CO., LTD.
Reel/Frame 050512/0404 →
Continuity (2)
Provisional Application 62733837 · Sep 20, 2018
Related Publication 20200098846A1 · Mar 26, 2020