IP Library › Granted Patent US 10,867,553
Granted Patent B2
US 10,867,553 · App. 16/362,683 · Granted Dec 15, 2020

Electronic device capable of reducing color shift or increasing luminous efficacy

Inventors: Ming-Chun Tseng (Miao-Li County, TW); Chin-Lung Ting (Miao-Li County, TW); Li-Wei Mao (Miao-Li County, TW)
Assignee: InnoLux Corporation
G09G3/3233G09G3/3291G09G2300/0861G09G2320/0626
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Quick Facts
Patent No.
US 10,867,553
App. No.
16/362,683
Granted
Dec 15, 2020
Kind
B2
Abstract

An electronic device includes an electronic unit including a light emitting diode (LED) and a driving unit coupled to the light emitting diode for receiving a data voltage. The electronic unit has a plurality of driving periods in a frame period, and the driving unit drives the LED according to the data voltage in the plurality of driving periods.

Claims (37)

1. An electronic device, comprising:

a first electronic unit comprising:

a first light emitting diode; and

a first driving unit, coupled to the first light emitting diode and configured to received a first data voltage;

wherein the first electronic unit has a plurality of driving periods in a first frame period, and the first driving unit drives the first light emitting diode according to the first data voltage at the plurality of driving periods;

wherein a sum of time intervals of the plurality of the driving periods in the first frame period is less than a time interval of the first frame period; and

wherein a ratio of the sum of time intervals of the plurality of the driving periods in the first frame period to the time interval of the first frame period is less than or equal to ½.

2. The electronic device of claim 1 , wherein the plurality of driving periods in the first frame period have the same time intervals.

3. The electronic device of claim 1 , wherein at least two of driving periods of the plurality of driving periods in the first frame period have different time intervals.

4. The electronic device of claim 1 , wherein a time interval between two adjacent ones of the plurality of driving periods is the same as a time interval between another two adjacent ones of the plurality of driving periods in the first frame period.

5. The electronic device of claim 1 , wherein a time interval between two adjacent ones of the plurality of driving periods is different from a time interval between another two adjacent ones of the plurality of driving periods in the first frame period.

6. The electronic device of claim 1 further comprising a second electronic unit, the second electronic unit comprising:

a second light emitting diode; and

a second driving unit coupled to the second light emitting diode and configured to receive a second data voltage;

wherein the second electronic unit has a plurality of driving periods in a second frame period, and the second driving unit drives the second light emitting diode according to the second data voltage in the plurality of driving periods in the second frame period.

7. The electronic device of claim 6 , wherein a sum of time intervals of the plurality of driving periods in the first frame period is different from a sum of time intervals of the plurality of driving periods in the second frame period.

8. The electronic device of claim 6 , wherein a number of transistors in the first driving unit is different from a number of transistors in the second driving unit.

9. The electronic device of claim 1 , further comprising an emission control line coupled to the first light emitting diode, wherein the emission control line is coupled to a control terminal.

10. The electronic device of claim 9 , wherein the control terminal includes a gate on panel or an integrated circuit.

11. An electronic device, comprising:

a first electronic unit comprising:

a first light emitting diode; and

a first driving unit coupled to the first light emitting diode and configured to receive a first data voltage; and

a second electronic unit comprising:

a second light emitting diode; and

a second driving unit coupled to the second light emitting diode and configured to received a second data voltage;

wherein the first electronic unit has at least one driving period in a first frame period, and the first driving unit drives the first light emitting diode according to the first data voltage in the at least one driving period in the first frame period;

wherein the second electronic unit has at least one driving period in a second frame period, and the second driving unit drives the second light emitting diode according to the second data voltage in the at least one driving period in the second frame period;

wherein a starting time of the first driving unit receiving the first data voltage is different from a starting time of the second driving unit receiving the second data voltage, and a starting time of the at least one driving period in the first frame period is same as a starting time of the at least one driving period in the second frame period; and

wherein the first frame period and the second frame period are configured to display a same picture frame.

12. The electronic device of claim 11 , wherein a sum of time interval of the at least one driving period in the first frame period is less than a time interval of the first frame period, and a sum of at least one time interval of the at least one driving period in the second frame period is less than a time interval of the second frame period.

13. The electronic device of claim 11 , wherein a sum of at least one time interval of the at least one driving period in the first frame period is different from a sum of at least one time interval of the at least one driving period in the second frame period.

14. The electronic device of claim 13 , wherein a ratio of the sum of at least one time interval of the at least one driving period in the first frame period to the time interval of the frame period is less than or equal to ½.

15. The electronic device of claim 11 , wherein a number of transistors in the first driving unit is different from a number of transistors in the second driving unit.

16. The electronic device of claim 11 , further comprising an emission control line coupled to the first light emitting diode, wherein the emission control line is coupled to a first control terminal.

17. The electronic device of claim 16 , wherein the control terminal include a gate on panel or an integrated circuit.

18. The electronic device of claim 16 , further comprising an emission control line coupled to the second light emitting diode, wherein the emission control line coupled to the second light emitting diode is coupled to the first control terminal.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 24, 2019
From: TSENG, MING-CHUN; TING, CHIN-LUNG; MAO, LI-WEI
To: INNOLUX CORPORATION
Reel/Frame 048681/0953 →
Priority Claims (1)
CN 2018 1 1126487 · Sep 26, 2018 · national
Continuity (2)
Provisional Application 62660206 · Apr 19, 2018
Related Publication 20190325825A1 · Oct 24, 2019