Light emitting device using dual light emitting stacks to achieve full-color emission
First Claim
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1. A light emitting device that includes a pixel comprising:
- a first light emitting stack and a second light emitting stack;
whereinsaid first and second light emitting stacks are placed side-by-side;
said first and second light emitting stacks each comprise a first OLED and a second OLED over said first OLED;
said first light emitting stack includes a downconversion layer under said first OLED; and
together, said first and second light emitting stacks are capable of emitting any visible color of light.
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Abstract
Light emitting devices including at least one pixel comprising a first light emitting stack and a second light emitting stack placed side-by-side. The first and second light emitting stacks each comprise a first OLED and a second OLED over the first OLED. The first light emitting stack further includes a downconversion layer under the first OLED. Together, the first and second stacks are capable of emitting any visible color of light.
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Citations
20 Claims
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1. A light emitting device that includes a pixel comprising:
a first light emitting stack and a second light emitting stack;
whereinsaid first and second light emitting stacks are placed side-by-side; said first and second light emitting stacks each comprise a first OLED and a second OLED over said first OLED; said first light emitting stack includes a downconversion layer under said first OLED; and together, said first and second light emitting stacks are capable of emitting any visible color of light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A pixel for use in a light emitting device, said pixel comprising:
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a first light emitting stack and a second light emitting stack;
whereinsaid first and second light emitting stacks are placed side-by-side in each of said pixels; each of said first and second light emitting stacks comprises a first OLED and a second OLED over said first OLED; each of said first light emitting stacks includes a downconversion layer under said first OLED; and together, said first and second light emitting stacks are capable of emitting any visible color of light.
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19. A light emitting device comprising:
a first light emitting stack and a second light emitting stack;
whereinsaid first and second light emitting stacks are placed side-by-side; said first and second light emitting stacks each comprise a first OLED and a second OLED over said first OLED; said first light emitting stack includes a downconversion layer under said first OLED; and together, said first and second light emitting stacks are capable of emitting any visible color of light. - View Dependent Claims (20)
Specification