Light emitting element array module and printer head and micro-display using the same
AssigneeOpto Tech Corporation
InventorsChien-chen Hung, Huai-ku Chung, Shih-han Yu
Life of this patent
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Abstract
A light emitting element array module includes a board; a silicon base having a first side, a second side opposite to the first side and adhered to the board, a third side having a first angle with the second side, a fourth side substantially in parallel with the first side and having a second angle with the third side, and a fifth side having a third angle with the fourth side; a chip having a first main surface formed with at least one light emitting element array and at least one pad array, and a second main surface adhered to the board; a driving device adhered to the first side of the silicon base; and a plurality of metal wires for connecting the pad array to the driving device.
Claims20
A light emitting element array module comprising:
- a board;
- a silicon base having at least a first side, a second side, a third side, a fourth side and a fifth side, wherein the second side is opposite to the first side and has a first included angle with the third side, the fourth side is substantially in parallel with the first side and has a second included angle with the third side, the fourth side has a third included angle with the fifth side, and the second side is adhered to the board;
- a chip having a first main surface and a second main surface, wherein on the first main surface is formed with at least one light emitting element array and a pad array, the pad array is connected to the fourth side of the silicon base, and the second main surface is adhered to the board;
- a driving device for driving the at least one light emitting element array, wherein the driving device is adhered to the first side of the silicon base;
- and
- a plurality of metal wires each formed on the first, fourth, and fifth sides of the silicon base, for connecting the pad array of the chip to the driving device.
A printer head comprising:
- a light emitting element array module, as a light source, which includes:
- a board;
- a silicon base having at least a first side, a second side, a third side, a fourth side and a fifth side, wherein the second side is opposite to the first side and has a first included angle with the third side, the fourth side is substantially in parallel with the first side and has a second included angle with the third side, the fourth side has a third included angle with the fifth side, and the second side is adhered to the board;
- a chip having a first main surface and a second main surface, wherein on the first main surface is formed with at least one light emitting element array and a pad array, the pad array is connected to the fourth side of the silicon base, and the second main surface is adhered to the board;
- a driving device for driving the at least one light emitting element array, wherein the driving device is adhered to the first side of the silicon base;
- and
- a plurality of metal wires each formed on the first, fourth and fifth sides of the silicon base, for connecting the pad array of the chip to the driving device;
- and
- an optical element for focusing light rays emitted from the at least one light emitting element array of the light emitting element array module.
A micro-display comprising a plurality of light emitting element array modules each comprising:
- a board;
- a silicon base having at least a first side, a second side, a third side, a fourth side and a fifth side, wherein the second side is opposite to the first side and has a first included angle with the third side, the fourth side is substantially in parallel with the first side and has a second included angle with the third side, the fourth side has a third included angle with the fifth side, and the second side is adhered to the board;
- a chip having a first main surface and a second main surface, wherein on the first main surface is formed with at least one light emitting element array and a pad array, the pad array is connected to the fourth side of the silicon base, and the second main surface is adhered to the board;
- a driving device for driving the at least one light emitting element array, wherein the driving device is adhered to the first side of the silicon base;
- and
- a plurality of metal wires each formed on the first, fourth and fifth sides of the silicon base, for connecting the pad array of the chip to the driving device, wherein:
- the plurality of light emitting element array modules are used as a display screen, which shows a required image by transmitting image signals to each light emitting element.
Dependencies are inferred from the claim text.