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US-2024399718-A1 · Dec 5, 2024 · US
Emissive display with hybrid polarizer
US9761843B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9761843-B2 |
| Application number | US-201314648518-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 21, 2013 |
| Priority date | Nov 30, 2012 |
| Publication date | Sep 12, 2017 |
| Grant date | Sep 12, 2017 |
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- Title
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Abstract
Official abstract text for this publication.
An emissive display comprising an OLED, a first birefringent reflective polarizer, a second birefringent reflective polarizer optically between the OLED and the first birefringent reflective polarizer, a first linear absorbing polarizer having a contrast ratio of less than 100:1 optically between the first birefringent reflective polarizer and the second birefringent reflective polarizer, a second linear absorbing polarizer having a contrast ratio of less than 100:1, where the first birefringent reflective polarizer is optically between the second linear absorbing polarizer and the first linear absorbing polarizer, and a structured optical film optically between the OLED and the second birefringent reflective polarizer.
First claim
Opening claim text (preview).
What is claimed is: 1. An emissive display comprising: an OLED; a first birefringent reflective polarizer; a second birefringent reflective polarizer optically between the OLED and the first birefringent reflective polarizer; a first linear absorbing polarizer having a contrast ratio of less than 100:1 optically between the first birefringent reflective polarizer and the second birefringent reflective polarizer; a second linear absorbing polarizer having a contrast ratio of less than 100:1, where the first birefringent reflective polarizer is optically between the second linear absorbing polarizer and the first linear absorbing polarizer; and a structured optical film optically between the OLED and the second birefringent reflective polarizer. 2. The emissive display of claim 1 , wherein the first linear absorbing polarizer has a contrast ratio of less than 10:1 and the second linear absorbing polarizer has a contrast ratio of less than 10:1. 3. The emissive display of claim 1 , wherein a pass axis of each of the first birefringent reflective polarizer, second birefringent reflective polarizer, first linear absorbing polarizer and second linear absorbing polarizer are substantially aligned. 4. The emissive display of claim 1 , wherein the structured optical film comprises nanostructures. 5. The emissive display of claim 4 , wherein the structured optical film comprises one dimensional nanostructures. 6. The emissive display of claim 4 , wherein the structured optical film comprises two dimensional nanostructures. 7. The emissive display of claim 1 , further comprising a quarter wave element optically between the structured optical film and the second birefringent reflective polarizer. 8. The emissive display of claim 1 , wherein the first birefringent reflective polarizer, second birefringent reflective polarizer, first linear absorbing polarizer, second linear absorbing polarizer and structured optical film form a composite film. 9. The emissive display of claim 7 , wherein the first birefringent reflective polarizer, second birefringent reflective polarizer, first linear absorbing polarizer, second linear absorbing polarizer and quarter wave element form a composite film. 10. The emissive display of claim 7 , wherein the first birefringent reflective polarizer, second birefringent reflective polarizer, first linear absorbing polarizer, second linear absorbing polarizer, quarter wave element and structured optical film form a composite film. 11. An emissive display comprising: an OLED; a first birefringent reflective polarizer; a second birefringent reflective polarizer optically between the OLED and the first birefringent reflective polarizer; a first linear absorbing polarizer having a contrast ratio of less than 10:1 optically between the first birefringent reflective polarizer and the second birefringent reflective polarizer; a second linear absorbing polarizer having a contrast ratio of less than 10:1, where the first birefringent reflective polarizer is optically between the second linear absorbing polarizer and the first linear absorbing polarizer; a structured optical film optically between the OLED and the second birefringent reflective polarizer; and a quarter wave element optically between the structured optical film and the second birefringent reflective polarizer. 12. The emissive display of claim 11 , wherein a pass axis of each of the first birefringent reflective polarizer, second birefringent reflective polarizer, first linear absorbing polarizer and second linear absorbing polarizer are substantially aligned. 13. The emissive display of claim 11 , wherein the first birefringent reflective polarizer, second birefringent reflective polarizer, first linear absorbing polarizer, second linear absorbing polarizer and quarter wave element form a composite film. 14. The emissive display of claim 11 , wherein the first birefringent reflective polarizer, second birefringent reflective polarizer, first linear absorbing polarizer, second linear absorbing polarizer, quarter wave element and structured optical film form a composite film. 15. The emissive display of claim 11 , wherein the structured optical film comprises nanostructures. 16. The emissive display of claim 15 , wherein the structured optical film comprises one dimensional nanostructures. 17. The emissive display of claim 15 , wherein the structured optical film comprises two dimensional nanostructures. 18. An emissive display comprising: an OLED; a first birefringent reflective polarizer; a second birefringent reflective polarizer optically between the OLED and the first birefringent reflective polarizer; a first linear absorbing polarizer having a contrast ratio of less than 100:1 optically between the first birefringent reflective polarizer and the second birefringent reflective polarizer; a second linear absorbing polarizer having a contrast ratio of less than 100:1, wherein the first birefringent reflective polarizer is optically between the second linear absorbing polarizer and the first linear absorbing polarizer; and a non-polarization preserving element optically between the OLED and the second birefringent reflective polarizer. 19. The emissive display of claim 18 , wherein the first linear absorbing polarizer has a contrast ratio of less than 10:1 and the second linear absorbing polarizer has a contrast ratio of less than 10:1. 20. The emissive display of claim 18 , wherein a pass axis of each of the first birefringent reflective polarizer, second birefringent reflective polarizer, first linear absorbing polarizer and second linear absorbing polarizer are substantially aligned.
Assignees
Inventors
Classifications
- G02B27/281Primary
used for attenuating light intensity, e.g. comprising rotatable polarising elements · CPC title
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
- H01L51/5281Primary
Electricity · mapped topic
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- What does patent US9761843B2 cover?
- An emissive display comprising an OLED, a first birefringent reflective polarizer, a second birefringent reflective polarizer optically between the OLED and the first birefringent reflective polarizer, a first linear absorbing polarizer having a contrast ratio of less than 100:1 optically between the first birefringent reflective polarizer and the second birefringent reflective polarizer, a sec…
- Who is the assignee on this patent?
- 3M Innovative Properties Co
- What technology area does this patent fall under?
- Primary CPC classification G02B27/281. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Sep 12 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).