1. A manufacturing method of an electronic paper display device, comprising:
forming a first auxiliary first dielectric layer on a first substrate;
disposing electronic balls on the first auxiliary first dielectric layer;
forming a second auxiliary first dielectric layer that fixes the electronic balls by curing the first auxiliary first dielectric layer;
forming an auxiliary second dielectric layer on the second auxiliary first dielectric layer including the electronic balls;
forming first and second dielectric layers by curing the second auxiliary first dielectric layer and the auxiliary second dielectric layer; and
bonding the first substrate including the second dielectric layer to a second substrate.
2. The manufacturing method of the electronic paper display device according to claim 1, wherein the forming the second auxiliary first dielectric layer comprises semi-curing or completely curing the first auxiliary first dielectric layer.
3. The manufacturing method of the electronic paper display device according to claim 1, wherein the electronic balls are twist balls.
4. The manufacturing method of the electronic paper display device according to claim 3, further comprising, after the bonding the second substrate onto the second dielectric layer: dipping the first and second substrates into dielectric liquid.
5. The manufacturing method of the electronic paper display device according to claim 1, wherein the electronic balls are microcapsules.
6. The manufacturing method of the electronic paper display device according to claim 1, wherein the first and second dielectric layers are made of the same material.
7. The manufacturing method of the electronic paper display device according to claim 1, wherein the first and second dielectric layers are made of different materials.
8. The manufacturing method of the electronic paper display device according to claim 7, wherein the first dielectric layer is formed of a light reflective layer and the second dielectric layer is formed of a light transmission layer.
9. The manufacturing method of the electronic paper display device according to claim 1, wherein the electronic ball includes a hemisphere that displays any one of red, green and blue (RGB) and cyan, yellow and magenta (CYM).
10. An electronic paper display device, comprising:
a first dielectric layer that is disposed on a first substrate;
electronic balls that are fixed onto the first dielectric layer;
a second dielectric layer that forms a boundary with the first dielectric layer and is disposed on the first dielectric layer including the electronic balls; and
a second substrate that is disposed on the second dielectric layer.
11. The electronic paper display device according to claim 10, wherein the first and second dielectric layers are made of different materials.
12. The electronic paper display device according to claim 11, wherein the first dielectric layer is formed of a light reflective layer and the second dielectric layer is formed of a light transmission layer.
13. The electronic paper display device according to claim 10, wherein the first and second dielectric layers are made of the same material.
14. The electronic paper display device according to claim 10, wherein the electronic balls are disposed in predetermined row and column.
15. The electronic paper display device according to claim 10, wherein the electronic balls are microcapsules.
16. The electronic paper display device according to claim 10, wherein the electronic balls are twist balls.
17. The electronic paper display device according to claim 10, wherein the electronic ball includes a hemisphere that displays any one of red, green and blue (RGB) and cyan, yellow and magenta (CYM).
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A photoelectric conversion device comprising:
a circuit board comprising two protrusions apart from each other;
a light emitting module mounted on the circuit board;
a light receiving module mounted on the circuit board and being apart from the light emitting module; and
an optical coupling lens mounted on the circuit board comprising a light incident surface, a first converging portion, a second converging portion, the optical coupling lens defining two through holes, the first converging portion and the second converging portion formed on the light incident surface, the location relationship between the first converging portion and the two through holes being substantially the same as that between the light emitting module and the two protrusions, the location relationship between the second converging portion and the two through holes being substantially the same as that between the light receiving module and the two protrusions, centers of the through holes aligned with centers of the protrusions to ensure alignment of the light emitting module with the first converging portion, and alignment of the light receiving module with the second converging portion, and the through holes being spaced apart from the protrusions.
2. The photoelectric conversion device as claimed in claim 1, wherein the optical coupling lens comprises a body portion and a reflection portion, the body portion comprises a lower surface and an upper surface, the lower surface defines a recess, the light incident surface is located at the bottom of the recess, the reflection portion perpendicularly extends from the upper surface and comprises a reflection surface and a light output surface, the light output surface is perpendicular to the upper surface, and the reflection surface is obliquely interconnected between the light output surface and the upper surface.
3. The photoelectric conversion device as claimed in claim 2, wherein an included angle between the reflection surface and the light output surface is about 45 degrees, and an included angle between the reflection surface and the upper surface is about 45 degrees.
4. The photoelectric conversion device as claimed in claim 2, wherein the circuit board comprise a bottom surface and a top surface opposite to the bottom surface, the light emitting module and the light receiving module are mounted on the top surface, the through holes pass through the upper surface and the light incident surface, the optical coupling lens is mounted on the top surface, the lower surface contacts the top surface, the protrusions are mounted on the top surface and received in the recess.
5. The photoelectric conversion device as claimed in claim 4, wherein the optical coupling lens is adhered to the top surface with adhesive.
6. The photoelectric conversion device as claimed in claim 1, wherein the shape of each of the through holes is the same as the shape of a cross-section of each of the protrusions.
7. The photoelectric conversion device as claimed in claim 6, wherein the dimension of each of the through holes is the same as the dimension of the cross-section of each of the protrusions.
8. The photoelectric conversion device as claimed in claim 7, wherein each of the through holes is circular, and each of the protrusions is cylinder.
9. The photoelectric conversion device as claimed in claim 7, wherein each of the through holes is triangular, rectangular, or elliptic.
10. The photoelectric conversion device as claimed in claim 1, wherein the light emitting module and the light receiving module are electrically connected to the circuit board.
11. The photoelectric conversion device as claimed in claim 1, wherein the light emitting module, the light receiving module, and the two protrusions are arranged in one line, and the two protrusions are located between the light emitting module and the light receiving module.
12. The photoelectric conversion device as claimed in claim 1, wherein the first converging portion, the second converging portion, and the through holes are arranged in a line, and the first converging portion and the second converging portion are located between the two through holes.