IP Library › Granted Patent US 6,930,658
Granted Patent B2
US 6,930,658 · App. 10/434,270 · Granted Aug 16, 2005

Contrast-adjustable panels and displays via organic light-emitting devices

Assignee: RIT Display Corporation
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Quick Facts
Patent No.
US 6,930,658
App. No.
10/434,270
Granted
Aug 16, 2005
Kind
B2
Abstract

A contrast-adjustable display via an organic light-emitting device includes a transparent substrate, a light-detectable unit, a current-detectable unit, an organic light-emitting unit, a driving unit and a controlling unit. The light-detectable unit for detecting an external light intensity is formed on the transparent substrate, and then generates a current intensity based on the external light intensity. The current-detectable unit for detecting the current intensity is connected to the light-detectable unit. The organic light-emitting unit is formed on the transparent substrate for generating light. The driving unit connects to and drives the light-detectable unit and organic light-emitting unit, respectively. The controlling unit is connected to the current-detectable unit, and controls the driving unit depending on the current intensity.

Claims (37)

1. A contrast-adjustable display via an organic light-emitting device, comprising:

a transparent substrate;

a light-detectable unit, which is formed on the transparent substrate, the light-detectable unit detecting an external light intensity and generating a current intensity according to the external light intensity;

a current-detectable unit, which is connected to the light-detectable unit and detects the current intensity;

an organic light-emitting unit, which is formed on the transparent substrate and emits light;

a driving unit, which is respectively connected to the light-detectable unit and the organic light-emitting unit, and respectively drives the light-detectable unit and the organic light-emitting unit; and

a controlling unit, which is connected to the current-detectable unit, and controls the driving unit according to the current intensity.

2. The display of claim 1 , wherein the driving unit comprises:

a first driving portion, which drives the light-detectable unit; and

a second driving portion, which is controlled by the controlling unit and drives the organic light-emitting unit.

3. The display of claim 1 , wherein the transparent substrate is a glass substrate.

4. The display of claim 1 , wherein the transparent substrate is a plastic substrate.

5. The display of claim 1 , wherein the transparent substrate is a flexible substrate.

6. The display of claim 1 , wherein the light-detectable unit is an organic light-detectable unit.

7. The display of claim 6 , wherein the organic light-detectable unit comprises two electrodes and an organic light-emitting layer sandwiched between the electrodes.

8. The display of claim 1 , wherein the organic light-emitting unit comprises two electrodes and an organic light-emitting layer sandwiched between the electrodes.

9. The display of claim 1 , wherein the driving unit is an active driving unit.

10. The display of claim 1 , wherein the driving unit is a passive driving unit.

11. The display of claim 1 , wherein the light-detectable unit is an inorganic light-detectable unit.

12. The display of claim 11 , wherein the inorganic light-detectable unit comprises two electrodes, an n-type silicon layer, and a p-type silicon layer, the n-type silicon layer and the p-type silicon layer being sandwiched between the electrodes.

13. A contrast-adjustable display via an organic light-emitting device, comprising:

a transparent substrate;

a light-detectable unit, which is formed on the transparent substrate, the light-detectable unit detecting an external light intensity and generating a current intensity based on the external light intensity;

a first driving unit for driving the light-detectable unit;

a current-detectable unit, which is connected to the light-detectable unit and detects the current intensity;

an organic light-emitting unit, which is formed on the transparent substrate and emits light;

a second driving unit for driving the organic light-emitting unit; and

a controlling unit, which is connected to the current-detectable unit, and controls the second driving unit according to the current intensity.

14. The display of claim 13 , wherein the organic light-emitting unit comprises two electrodes and an organic light-emitting layer sandwiched between the electrodes.

15. The display of claim 13 , wherein the light-detectable unit is an organic light-detectable unit.

16. The display of claim 15 , wherein the organic light-detectable unit comprises two electrodes and an organic light-emitting layer sandwiched between the electrodes.

17. The display of claim 13 , wherein the light-detectable unit is an inorganic light-detectable unit.

18. The display of claim 17 , wherein the inorganic light-detectable unit comprises two electrodes, an n-type silicon layer, and a p-type silicon layer, the n-type silicon layer and the p-type silicon layer being sandwiched between the electrodes.

19. A contrast-adjustable panel via an organic light-emitting device, comprising:

a transparent substrate;

a light-detectable unit, which is formed on the transparent substrate, the light-detectable unit detecting an external light intensity and generating a current intensity based on the external light intensity wherein the light-detectable unit is an inorganic detectable unit, the inorganic light-detectable unit including two electrodes, an n-type silicone layer, and a p-type silicone layer, the n-type silicone layer and the p-type silicone layer being sandwiched between the electrodes; and

an organic light-emitting unit, which is formed on the transparent substrate and emits light.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 17, 2014
From: EPSILON INSTRUMENTS INC.
To: III HOLDINGS 1, LLC
Reel/Frame 034189/0900 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 24, 2014
From: RITDISPLAY CORPORATION
To: EPSILON INSTRUMENTS INC.
Reel/Frame 032749/0083 →
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME PREVIOUSLY RECORDED ON REEL 014055 FRAME 0976. ASSIGNOR(S) HEREBY CONFIRMS THE CORRECT SPELLING OF THE ASSIGNEE IS RITDISPLAY CORPORATION. Recorded Apr 3, 2014
From: LEE, JIUN-HAW; LIAO, CHI-CHIH; HU, PEIR-JY
To: RITDISPLAY CORPORATION
Reel/Frame 032604/0839 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 9, 2003
From: LEE, JIUN-HAW; LIAO, CHI-CHIH; HU, PEIR-JY
To: RIT DISPLAY CORPORATION
Reel/Frame 014055/0976 →
Priority Claims (2)
TW 91109770 A · May 10, 2002 · national
TW 91109771 A · May 10, 2002 · national
Continuity (1)
Related Publication 20030214240A1 · Nov 20, 2003