Electro-optic apparatus, electronic device, and method for manufacturing electro-optic apparatus
View Patent ↗An electro-optic apparatus has an electro-optic panel, driver semiconductor chips bonded onto the terminal portion of the electro-optic panel, and two protection films either or both of which are transparent, wherein the electro-optic panel is sealed by being sandwiched between the two protection films, and one protection film that covers the terminal portion has openings for exposing the driver semiconductor chips.
1. An electro-optic apparatus comprising:
an electro-optic panel that has a terminal portion;
a driver semiconductor chip that is mounted on the terminal portion of the electro-optic panel; and
a plurality of protection films including a first protection film and a second protection film, the first protection film being transparent,
the electro-optic panel being sealed between the first protection film and the second protection film, and
the first protection film covering the terminal portion of the electro-optic panel, the first protection film having an opening portion,
the opening portion for exposing the driver semiconductor chip.
2. The electro-optic apparatus according to claim 1 , wherein the electro-optic panel and the driving semiconductor chip are flexible.
3. The electro-optic apparatus according to claim 1 ,
wherein the opening portion is large enough to surround the driver semiconductor chip, and a gap between an inner wall of the opening portion and a side wall of the driver semiconductor chip is filled with a moldable material so that an active surface of the driver semiconductor chip is sealed.
4. The electro-optic apparatus according to claim 3 , wherein the moldable material is a resin material that becomes elastic after being cured.
5. The electro-optic apparatus according to claim 1 , wherein:
the electro-optic panel has a first substrate and a second substrate,
the first substrate is a glass substrate and includes the terminal portion, and
the opening portion is formed so that any burr occurring on an edge of the opening faces in a direction opposite to the terminal portion.
6. The electro-optic apparatus according to claim 1 , wherein at least a part of the driver semiconductor chip overlaps with a heat radiation member in plan view.
7. The electro-optic apparatus according to claim 1 , wherein the electro-optic panel is an organic EL panel having an organic EL element.
8. An electronic device comprising the electro-optic apparatus according to claims 1 .
9. A method for manufacturing an electro-optic apparatus having an electro-optic panel sandwiched between a first protection film and a second protection film, the first protection film being transparent, and the electo-optic panel having a terminal portion comprising:
sealing the electro-optic panel between the first protection film and the second protection film, the first protection film having an opening corresponding in position to the terminal portion of the electro-optic panel; and
bonding a driver semiconductor chip onto the terminal portion through the opening.
10. The method for manufacturing an electro-optic apparatus according to claim 9 , further comprising:
molding for filling a moldable material in a gap between an inner wall of the opening and a side wall of the driver semiconductor chip and then curing it so that an active surface of the driver semiconductor chip can be sealed, wherein:
the opening is formed in advance on the first protection film with a size large enough to surround the driver semiconductor chip.
11. The method for manufacturing an electro-optic apparatus according to claim 10 , wherein the moldable material is a resin material that becomes elastic after being cured.
12. The method for manufacturing an electro-optic apparatus according to claim 9 , further comprising thinning the driver semiconductor chip by dry-etching.
13. The method for manufacturing an electro-optic apparatus according to claim 9 , further comprising covering a surface of the driver semiconductor chip at least in part with a heat radiation material.
14. A method for manufacturing an electro-optic apparatus, comprising:
bonding a driver semiconductor chip onto a terminal portion of an electro-optic panel;
dry-etching the bonded driver semiconductor chip to achieve a smaller thickness of the driver semiconductor chip; and
sealing the electro-optic panel, which has the driver semiconductor chip bonded thereonto and dry-etched to have a smaller thickness, between a first protection film and a second protection film, the first protection film being transparent.
15. The method for manufacturing an electro-optic apparatus according to claim 14 , wherein the electro-optic panel is flexible, and the driver semiconductor chip has a thickness in the range of 5 to 50 μm after being dry-etched.
16. The method for manufacturing an electro-optic apparatus according to claim 14 , wherein a heat radiation material is inserted between the driver semiconductor chip and each of the protection films before sealing.
17. The method for manufacturing an electro-optic apparatus according to claim 14 , wherein the electro-optic panel is an organic EL panel, which carries an organic EL element.