IP Library › Granted Patent US 11,850,823
Granted Patent B2
US 11,850,823 · App. 16/851,618 · Granted Dec 26, 2023

Electronic device and method for manufacturing the same

Inventors: Chao-Li Chuang (Miao-Li County, TW); Hsin-Wei Huang (Miao-Li County, TW); Ming-Chi Guo (Miao-Li County, TW); Chih-Yen Lu (Miao-Li County, TW); Kuan-Chou Chen (Miao-Li County, TW)
Assignee: INNOLUX CORPORATION
B32B17/06B32B7/12B32B9/04B32B33/00B32B37/12G02F1/1333
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Quick Facts
Patent No.
US 11,850,823
App. No.
16/851,618
Granted
Dec 26, 2023
Kind
B2
Abstract

An electronic device is provided. The electronic device includes a display, a substrate, and an anti-explosion layer. The substrate is disposed on the display. The anti-explosion layer is disposed between the substrate and the display, and the anti-explosion layer has a tensile strength in a range from 10 MPa to 30 MPa.

Claims (34)

1. An electronic device, comprising:

a display;

a substrate disposed on the display; and

an anti-explosion layer disposed between the substrate and the display, wherein the anti-explosion layer has a tensile strength, and the tensile strength is in a range from 10 MPa to 30 MPa,

wherein the anti-explosion layer has a first side and the substrate has a second side, and a distance between the first side and the second side is in a range from 0 mm to 0.3 mm,

wherein the anti-explosion layer is in contact with the display and the substrate, the display is adhered to the substrate through the anti-explosion layer, and the anti-explosion layer has a peel adhesion, and the peel adhesion is in a range from 40 N/mm to 150 N/mm, wherein the anti-explosion layer comprises a first surface, a portion of the first surface is in contact with the display and another portion of the first surface is not in contact with the display has a roughness, and the roughness (Ry) is in a range from 10 μm to 40 μm.

2. The electronic device as claimed in claim 1 , wherein an area of the anti-explosion layer is greater than an area of the display.

3. The electronic device as claimed in claim 1 , wherein the display has a third side, the third side of the display shrinks inward compared to the first side of the anti-explosion layer.

4. The electronic device as claimed in claim 1 , wherein an area of the anti-explosion layer is substantially equal to an area of the substrate.

5. The electronic device as claimed in claim 4 , wherein a ratio of the area of the anti-explosion layer to the area of the substrate is in a range from 99.5% to 100%.

6. The electronic device as claimed in claim 1 , wherein the anti-explosion layer has a haze, and the haze is in a range from 0% to 1%.

7. The electronic device as claimed in claim 1 , wherein the anti-explosion layer comprises a heat-curing glue, a thermoplastic glue, or a combination thereof.

8. The electronic device as claimed in claim 1 , further comprising a shielding layer disposed between the anti-explosion layer and the substrate.

9. A method for manufacturing the electronic device according to claim 1 , comprising:

providing a substrate and performing a first pre-processing step on the substrate;

providing an anti-explosion layer and a display, wherein the anti-explosion layer has a tensile strength and the tensile strength is in a range from 10 MPa to 30 MPa;

performing an alignment step to align the substrate and the anti-explosion layer with the display; and

performing a bonding step to bond the substrate and the anti-explosion layer to the display to form the electronic device, wherein the anti-explosion layer is disposed between the substrate and the display.

10. The method for manufacturing an electronic device as claimed in claim 9 , wherein in the bonding step, a degree of vacuum is in a range from 0 Pa to 100 Pa, a temperature is in a range from 60° C. to 120° C., and a pressure is in a range from 0.5 kgf/cm 2 to 5 kgf/cm 2 .

11. The method for manufacturing an electronic device as claimed in claim 9 , wherein the first pre-processing step comprises a laser cleaning process, an ultraviolet cleaning process, coating of a material modification layer, a detergent cleaning process, a plasma cleaning process, or a combination thereof.

12. The method for manufacturing an electronic device as claimed in claim 9 , further comprising:

performing a first post-processing step on the electronic device, the first post-processing step comprising a heating step and a pressurization step.

13. The method for manufacturing an electronic device as claimed in claim 12 , wherein a temperature of the heating step is in a range from 70° C. to 150° C., and a pressure of the pressurization step is in a range from 7 kgf/cm 2 to 15 kgf/cm 2 .

14. The method for manufacturing an electronic device as claimed in claim 9 , further comprising:

performing a second pre-processing step on the anti-explosion layer, the second pre-processing step comprising performing a heating step and a pressurization step on the anti-explosion layer in a vacuum environment.

15. The method for manufacturing an electronic device as claimed in claim 14 , wherein in the second pre-processing step, a degree of vacuum is in a range from 0 Pa to 100 Pa, a temperature is in a range from 60° C. to 120° C., and a pressure is in a range from 0.5 kgf/cm 2 to 5 kgf/cm 2 .

16. The method for manufacturing an electronic device as claimed in claim 9 , further comprising:

performing a second post-processing step on the anti-explosion layer to remove portions of the anti-explosion layer extending beyond the substrate.

17. An electronic device, comprising:

a display comprising a polarizing plate;

a substrate disposed on the display; and

an anti-explosion layer disposed between the substrate and the polarizing plate, wherein the anti-explosion layer has a tensile strength, and the tensile strength is in a range from 10 MPa to 30 MPa,

wherein the anti-explosion layer has a first side and the substrate has a second side, and a distance between the first side and the second side is in a range from 0 mm to 0.3 mm,

wherein the anti-explosion layer is in contact with the polarizing plate and the substrate, and the display is adhered to the substrate through the anti-explosion layer, wherein the anti-explosion layer comprises a first surface, a portion of the first surface is in contact with the display and another portion of the first surface is not in contact with the display has a roughness, and the roughness (Ry) is in a range from 10 μm to 40 μm.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 17, 2020
From: CHUANG, CHAO-LI; HUANG, HSIN-WEI; GUO, MING-CHI; LU, CHIH-YEN; CHEN, KUAN-CHOU
To: INNOLUX CORPORATION
Reel/Frame 052428/0076 →
Priority Claims (1)
CN 201910389289.3 · May 10, 2019 · national
Continuity (1)
Related Publication 20200353721A1 · Nov 12, 2020