Method of fastening a circuit assembly to a light guide in a manufacturing process of a lcd-display
AssigneeTPO Displays Corp.
InventorsTom ROBERTS, Frans Verweg, Ralph Amory
Life of this patent
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Abstract
The invention relates to a method of fastening a circuit assembly to a light guide in a manufacturing process of a LCD-display. The method comprises: a) providing the circuit assembly, comprising at least one light source; b) providing the light guide, arranged to guide light emitted by the at least one light source; c) positioning the light guide and the circuit assembly with respect to each other; and d) fastening the circuit assembly and the light guide to each other. The action d) is performed by laser welding or ultrasonic welding.
Claims14
A method of fastening a circuit assembly to a light guide in a manufacturing process of a LCD-display, comprising:
- a) providing the circuit assembly, comprising at least one light source;
- b) providing the light guide, arranged to guide light emitted by the at least one light source;
- c) positioning the light guide and the circuit assembly with respect to each other;
- and
- d) fastening the circuit assembly and the light guide to each other,
- wherein the action d) is performed by laser welding or ultrasonic welding.
A light guide for distributing indirect light in a LCD-display, comprising:
- a serrated edge formed by recesses and protrusions;
- and
- a cover parts covering the recesses.
A LCD-display, comprising:
- a light guide;
- and
- a circuit assembly,
- wherein the light guide and the circuit assembly are fastened to each other by a laser weld or an ultrasonic weld.
Dependencies are inferred from the claim text.