Organic electroluminescence panel, method for manufacturing the same, organic electroluminescence module, and information device
An object of the present invention is to provide an organic EL panel having a display pattern that allows low power consumption, high emission uniformity, and high emission luminance ratio and makes it possible to reduce the manufacturing process time and provide high productivity, a method for manufacturing the organic EL panel, an organic EL module, and an information device. The organic EL panel of the present invention includes an organic EL device including an organic EL element having a pattern A including at least a light-emitting part and a non-light-emitting part; and at least one auxiliary member, wherein the organic EL element has an emission luminance ratio of the light-emitting part to the non-light-emitting part of 5:1 to 50:1, and the at least one auxiliary member has a pattern B being geometrically similar to the pattern A and including a light-transmitting part and a light-blocking part.
1. An organic electroluminescence panel comprising: an organic electroluminescence device comprising an organic electroluminescence element having a pattern A comprising at least a light-emitting part and a non-light-emitting part; and
at least one auxiliary member, wherein the organic electroluminescence element has a ratio of the emission luminance of the light-emitting part to the emission luminance of the non-light-emitting part of 5:1 to 50:1, and
the at least one auxiliary member has a pattern B being geometrically similar to the pattern A and comprising a light-transmitting part and a light-blocking part.
2. The organic electroluminescence panel according to claim 1 , wherein a light extraction film and a top cover are stacked as the auxiliary members in this order on the organic electroluminescence device, wherein the light extraction film is an outcoupling film, and the pattern B is formed on the outcoupling film.
3. The organic electroluminescence panel according to claim 1 , wherein a light extraction film and a top cover are stacked as the auxiliary members in this order on the organic electroluminescence device, and the pattern B is formed on the top cover.
4. The organic electroluminescence panel according to claim 1 , wherein a top cover with the pattern B printed thereon is provided as the auxiliary member on the organic electroluminescence device.
5. The organic electroluminescence panel according to claim 1 , wherein the light-emitting part of the pattern A of the organic electroluminescence element has an area larger than that of the light-transmitting part of the pattern B of the auxiliary member.
6. The organic electroluminescence panel according to claim 1 , wherein a stack of the organic electroluminescence device and the auxiliary member forms a display part and a non-display part, and the ratio of the emission luminance of the display part to the emission luminance of the non-display part is higher than the ratio of the emission luminance of the light-emitting part to the emission luminance of the non-light-emitting part in the organic electroluminescence element of the organic electroluminescence device.
7. An organic electroluminescence module comprising: the organic electroluminescence panel according to claim 1 ; and an electrical connection unit placed on the panel.
8. An information device comprising a main display screen and a sub display screen, wherein the main display screen and the sub display screen are arranged on a same surface side, and the sub display screen is an icon display part and comprises the organic electroluminescence module according to claim 7 .
9. An information device comprising a main display screen and a sub display screen, wherein the sub display screen is placed on a surface side opposite to the main display screen, and the sub display screen is an icon display part and comprises the organic electroluminescence module according to claim 7 .
10. The organic electroluminescence panel according to claim 2 , wherein the light-emitting part of the pattern A of the organic electroluminescence element has an area larger than that of the light-transmitting part of the pattern B of the auxiliary member.
11. The organic electroluminescence panel according to claim 2 , wherein a stack of the organic electroluminescence device and the auxiliary member forms a display part and a non-display part, and the ratio of the emission luminance of the display part to the emission luminance of the non-display part is higher than the ratio of the emission luminance of the light-emitting part to the emission luminance of the non-light-emitting part in the organic electroluminescence element of the organic electroluminescence device.
12. An organic electroluminescence module comprising: the organic electroluminescence panel according to claim 2 ; and an electrical connection unit placed on the panel.
13. The organic electroluminescence panel according to claim 3 , wherein the light-emitting part of the pattern A of the organic electroluminescence element has an area larger than that of the light-transmitting part of the pattern B of the auxiliary member.
14. The organic electroluminescence panel according to claim 3 , wherein a stack of the organic electroluminescence device and the auxiliary member forms a display part and a non-display part, and the ratio of the emission luminance of the display part to the emission luminance of the non-display part is higher than the ratio of the emission luminance of the light-emitting part to the emission luminance of the non-light-emitting part in the organic electroluminescence element of the organic electroluminescence device.
15. An organic electroluminescence module comprising: the organic electroluminescence panel according to claim 3 ; and an electrical connection unit placed on the panel.
16. The organic electroluminescence panel according to claim 4 , wherein the light-emitting part of the pattern A of the organic electroluminescence element has an area larger than that of the light-transmitting part of the pattern B of the auxiliary member.
17. The organic electroluminescence panel according to claim 4 , wherein a stack of the organic electroluminescence device and the auxiliary member forms a display part and a non-display part, and the ratio of the emission luminance of the display part to the emission luminance of the non-display part is higher than the ratio of the emission luminance of the light-emitting part to the emission luminance of the non-light-emitting part in the organic electroluminescence element of the organic electroluminescence device.
18. A method for manufacturing an organic electroluminescence panel comprising: an organic electroluminescence device comprising an organic electroluminescence element having a pattern A comprising a light-emitting part and a non-light-emitting part; and at least one auxiliary member, the method comprising:
forming the light-emitting part and the non-light-emitting part by subjecting to the organic electroluminescence element to patterning by photoirradiation in such a manner that the ratio of the emission luminance of the light-emitting part to the emission luminance of the non-light-emitting part falls within the range of 5:1 to 50:1; and
forming a pattern B in or on the at least one auxiliary member in such a manner that the pattern B has a shape geometrically similar to the pattern A and comprises a light-transmitting part and a light-blocking part.
19. The method for manufacturing an organic electroluminescence panel according to claim 18 , wherein the pattern A of the organic electroluminescence element is formed by batch patterning through a mask using ultraviolet light.
20. The method for manufacturing an organic electroluminescence panel according to claim 18 , wherein the pattern B of the auxiliary member is formed by a printing method.