Casing, electronic device, and method of fabricating casing

Patent metadata

Field	Value
Publication number	US-10851970-B2
Application number	US-201916423195-A
Country	US
Kind code	B2
Filing date	May 28, 2019
Priority date	Feb 25, 2019
Publication date	Dec 1, 2020
Grant date	Dec 1, 2020

Abstract

A method of fabricating a casing including steps of providing a polycarbonate substrate, printing a first material on the polycarbonate substrate to form a light shielding layer by using a first screen, and printing a second material on the light shielding layer to form a light transmission layer by using a second screen is provided. The light shielding layer has at least one patterned transmissive region. The light transmission layer covers the at least one patterned transmissive region and a portion of polycarbonate substrate exposed by the at least one patterned transmissive region. Mesh counts of the first screen is greater than that of the second screen. A casing including a polycarbonate substrate, a light shielding layer, and a light transmission layer is provided. A thickness of the light transmission layer is greater than a thickness of the light shielding layer. An electronic device adopting the casing is provided.

First claim

What is claimed is:

1. A method of fabricating a casing, comprising:
providing a polycarbonate substrate;
printing a first material on the polycarbonate substrate by using a first screen to form a light shielding layer, wherein the light shielding layer has at least one patterned transmissive region; and
printing a second material on the light shielding layer by using a second screen to form a light transmission layer, such that the light transmission layer covers the at least one patterned transmissive region and a portion of the polycarbonate substrate exposed by the at least one patterned transmissive region, wherein mesh counts of the first screen is greater than mesh counts of the second screen,
wherein the step of forming the light shielding layer and the light transmission layer comprises:
enabling a thickness of the light transmission layer to be greater than a thickness of the light shielding layer.

2. The method according to claim 1 , wherein at least one portion of the light transmission layer covers the at least one patterned transmissive region, and the step of forming the light transmission layer comprises:
enabling a thickness of the at least one portion of the light transmission layer to be greater than a thickness of the other portion of the light transmission layer.

3. The method according to claim 1 , wherein a ratio of the mesh counts of the second screen to the mesh counts of the first screen is within a range from 0.4 to 0.7.

4. The method according to claim 1 , further comprising:
before forming the light transmission layer, curing the first material to form the light shielding layer.

5. The method according to claim 1 , further comprising:
curing the second material to form the light transmission layer.

6. The method according to claim 1 , further comprising:
forming a protection layer on the light transmission layer.

7. The method according to claim 1 , further comprising:
after forming the light shielding layer and the light transmission layer, cutting the polycarbonate substrate, the light shielding layer, and the light transmission layer.

8. A casing comprising:
a polycarbonate substrate;
a light shielding layer formed on the polycarbonate substrate and having at least one patterned transmissive region; and
a light transmission layer formed on the light shielding layer and covering the at least one patterned transmissive region and a portion of the polycarbonate substrate exposed by the at least one patterned transmissive region, wherein a thickness of the light transmission layer is greater than a thickness of the light shielding layer.

9. The casing according to claim 8 , wherein at least one portion of the light transmission layer covers the at least one patterned transmissive region, and a thickness of the at least one portion of the light transmission layer is greater than a thickness of the other portion of the light transmission layer.

10. The casing according to claim 8 , further comprising a protection layer, wherein the protection layer is formed on the light transmission layer.

11. An electronic device comprising:
a casing comprising:
a polycarbonate substrate;
a light shielding layer formed on the polycarbonate substrate and having at least one patterned transmissive region; and
a light transmission layer formed on the light shielding layer and covering the at least one patterned transmissive region and a portion of the polycarbonate substrate exposed by the at least one patterned transmissive region, wherein a thickness of the light transmission layer is greater than a thickness of the light shielding layer; and

a light source configured to emit a light beam, wherein the light beam passes through the polycarbonate substrate, the at least one patterned transmissive region of the light shielding layer, and the light transmission layer.

Assignees

• Wistron Corp

Inventors

• Chen Yi-An
• Chen Hsin-Chi
• Chang Yu-Teng
• Wu Ying-Chi
• Lo Hsiang-Ho

Classifications

• G06F1/1633

  Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626 · CPC title

• B32B2307/412

  Transparent · CPC title

• B32B2307/41

  Opaque · CPC title

• B32B27/365

  comprising polycarbonates · CPC title

• B32B27/06 Primary

  as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08)} · CPC title