Liquid crystal display panel and fabrication method

Patent metadata

Field	Value
Publication number	US-10429692-B2
Application number	US-201614989845-A
Country	US
Kind code	B2
Filing date	Jan 7, 2016
Priority date	Feb 13, 2015
Publication date	Oct 1, 2019
Grant date	Oct 1, 2019

Abstract

The present disclosure provides a liquid crystal display panel. The liquid crystal display panel includes an upper substrate, a lower substrate, a liquid crystal layer sandwiched between the upper and lower substrates, an upper regionalized polarizer disposed on the upper substrate including a plurality of first upper polarizing units and second upper polarizing units, and a lower regionalized polarizer disposed on the lower substrate including a plurality of first lower polarizing units and second lower polarizing units. The first lower polarizing units correspond to the first upper polarizing units. The second lower polarizing units correspond to the second upper polarizing units. The first upper polarizing units and the second upper polarizing units have mutually orthogonal polarization directions. The first lower polarizing units and the first upper polarizing units have mutually orthogonal polarization directions. The second lower polarizing units and the second upper polarizing units have mutually orthogonal polarization directions.

First claim

What is claimed is:

1. A liquid crystal display panel, comprising:
an upper substrate;
a lower substrate as an array substrate, configured facing toward the upper substrate;
a liquid crystal layer sandwiched between the upper substrate and the lower substrate;
an upper regionalized polarizer disposed on the upper substrate including a plurality of first upper polarizing units and second upper polarizing units;
a lower regionalized polarizer disposed on the lower substrate including a plurality of first lower polarizing units and a plurality of second lower polarizing units, wherein:
the first lower polarizing units correspond to the first upper polarizing units;
the second lower polarizing units correspond to the second upper polarizing units;
the first upper polarizing units and the second upper polarizing units have mutually orthogonal polarization directions;
the first lower polarizing units and the first upper polarizing units have mutually orthogonal polarization directions; and
the second lower polarizing units and the second upper polarizing units have mutually orthogonal polarization directions;

a lower planarization layer formed on one side of the lower substrate facing toward the upper substrate, wherein the lower regionalized polarizer is configured coplanar with the lower planarization layer;
a plurality of source electrodes, drain electrodes, and data lines disposed on the lower substrate, wherein:
the source electrodes, the drain electrodes, and the data lines are coplanar with each other;
the source electrodes and the data lines are electrically connected; and
the source electrodes, the drain electrodes, and the data lines are covered by the lower planarization layer;

a plurality of first electrodes disposed on the lower planarization layer; and
a plurality of second electrodes disposed on a second insulating layer separating the first electrodes, configured to form an electric field parallel with a surface of the lower substrate.

2. The liquid crystal display panel of claim 1 , further including:
a color filter, including a plurality of color barriers, wherein each first upper polarizing unit and each second upper polarizing unit correspond to at least one color barrier respectively.

3. The liquid crystal display panel of claim 2 , wherein:
the plurality of color barriers are arranged in arrays; and
each first upper polarizing unit and each second upper polarizing unit correspond to at least one column of color barriers respectively.

4. The liquid crystal display panel of claim 2 , wherein:
the plurality of color barriers are arranged in arrays; and
each first upper polarizing unit and each second upper polarizing unit correspond to at least one row of color barriers respectively.

5. The liquid crystal display panel of claim 2 , wherein:
each first upper polarizing unit and each second upper polarizing unit simultaneously correspond to M number of color barriers respectively;
M is a positive integer; and
M≥1.

6. The liquid crystal display panel of claim 5 , wherein:
the color filter includes a plurality of color barrier units;
each color barrier unit includes a red color barrier, a green color barrier, and a blue color barrier; and
each first upper polarizing unit corresponds to one of the red, green and blue color barriers, and
each second upper polarizing unit corresponds to one of the red, green and blue color barriers.

7. The liquid crystal display panel of claim 2 , wherein:
the first upper polarizing units correspond to M number of color barriers;
the second upper polarizing units correspond to N number of color barriers;
M and N are not equal;
M and N are positive integers; and
M≥1, N≥1.

8. The liquid crystal display panel of claim 1 , wherein:
the upper substrate is a color filter substrate;
a color filter is configured on one side of the upper substrate facing toward the lower substrate;
an upper planarization layer is formed on the color filter; and
the upper regionalized polarizer is configured coplanar with the upper planarization layer.

9. The liquid crystal display panel of claim 1 , further including:
a lower alignment layer disposed on a side of the lower substrate facing toward the upper substrate; and
an upper alignment layer disposed on a side of the upper substrate facing toward the lower substrate,
wherein the lower alignment layer and the upper alignment layer have a same alignment direction.

10. The liquid crystal display panel according to claim 1 , wherein:
the lower substrate includes a plurality of source electrodes covered by the plurality of first lower polarizing units, and a plurality of drain electrodes covered by the plurality of second lower polarizing units.

Assignees

• Xiamen Tianma Micro Electronics Co Ltd
• Tianma Micro Electronics Co Ltd

Inventors

• Yao Shulin
• Zhang Long
• Zhou Ting
• Shen Poping
• Cao Zhaokeng

Classifications

• G02F1/133528 Primary

  Polarisers · CPC title

• G02F2201/52

  RGB geometrical arrangements · CPC title

• G02F1/133514

  Colour filters · CPC title

• G02F2001/13356

  Physics · mapped topic

• G02F2001/133538

  Physics · mapped topic