Display module manufacturing method and display module

Patent metadata

Field	Value
Publication number	US-9437822-B2
Application number	US-201514727415-A
Country	US
Kind code	B2
Filing date	Jun 1, 2015
Priority date	Aug 1, 2014
Publication date	Sep 6, 2016
Grant date	Sep 6, 2016

Abstract

The present invention provides a manufacturing method of a display module, including a step of disposing a substrate on a transparent carrier plate, wherein the substrate has a bottom surface and a supporting surface opposite to the bottom surface; the bottom surface is attached to the transparent carrier plate and includes a first area and a second area. A step of performing a display elements manufacturing process on the supporting surface. A step of etching the first area by a first energy having a first energy density passing through the transparent carrier plate to separate the first area from the transparent carrier plate. A step of etching the second area by a second energy having a second energy density passing through the transparent carrier plate to separate the second area from the transparent carrier plate, wherein the second energy density is greater than the first energy density. A step of separating the substrate from the transparent carrier plate.

First claim

What is claimed is:

1. A manufacturing method of a display module, including:
(a) disposing a substrate on a transparent carrier plate; wherein the substrate has a bottom surface and a supporting surface opposite to the bottom surface; the bottom surface is attached to the transparent carrier plate and includes a first area and a second area;
(b) performing a display elements manufacturing process on the supporting surface;
(c) etching the first area by a first energy having a first energy density passing through the transparent carrier plate to separate the first area from the transparent carrier plate;
(d) etching the second area by a second energy having a second energy density passing through the transparent carrier plate to separate the second area from the transparent carrier plate, wherein the second energy density is greater than the first energy density;
(e) separating the substrate from the transparent carrier plate.

2. The manufacturing method of claim 1 , wherein the step (b) comprises:
(b1) disposing a plurality of pixel units on a visual area of the supporting surface corresponding to the first area;
(b2) disposing a plurality of signal circuits and a driving circuit on a signal area of the supporting surface corresponding to the second area; and
(b3) filing a glue material between the driving circuit and the pixel units.

3. The manufacturing method of claim 1 , wherein
the step (c) comprises: scanning the first area with a plurality of first energy beams, wherein the plurality of first energy beams constitute the first energy;
the step (d) comprises: scanning the second area with a plurality of second energy beams, wherein the plurality of second energy beams constitute the second energy; wherein energy per unit area of the first energy beam is less than energy per unit area of the second energy beam.

4. The manufacturing method of claim 1 , wherein
the step (c) comprises: scanning the first area with a plurality of first energy beams, wherein the plurality of first energy beams constitute the first energy; wherein a first midline distance exists between adjacent first energy beams;
the step (d) comprises: scanning the second area with a plurality of second energy beams, wherein the plurality of second energy beams constitute the second energy; wherein a second midline distance exists between the adjacent second energy beams;
wherein the first midline distance is greater than the second midline distance.

5. A display module made by the manufacturing method recited in claim 1 , wherein a first average thickness between the first area and the supporting surface is greater than a second average thickness between the second area and the supporting surface; the bottom surface of the further has notches in the first area and the second area, wherein the notches are resulted from etching of the first energy and the second energy.

Assignees

• Au Optronics Corp

Inventors

• Lin Jia-Hua
• Tsai Chih-Hung

Classifications

• H05B45/20

  Controlling the colour of the light · CPC title

• H05B45/60

  Circuit arrangements for operating LEDs comprising organic material, e.g. for operating organic light-emitting diodes [OLED] or polymer light-emitting diodes [PLED] · CPC title

• G09F9/30 Primary

  in which the desired character or characters are formed by combining individual elements (panels comprising a number of electrodes in a single cell controlling light arriving from an independent light source, e.g. electro-optical or magneto-optical cell, G02F1/00) · CPC title

• G09G3/2096

  Details of the interface to the display terminal specific for a flat panel (suitable for both CRT and flat panel G09G5/006; specific for a CRT G09G1/167) · CPC title

• G02F1/133514

  Colour filters · CPC title