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US 2014/0192401 A1Published application
Optical controller containing dispensable electrophoretic fluid and method of dispersing same
AssigneeLG Display Co., Ltd.
InventorHyunjin AN
Life of this patent
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Abstract
An optical controller includes: a transparent lower substrate with a first electrode pattern; a transparent upper substrate with a transparent electrode; a plurality of divided regions separated by partitions on the transparent lower substrate; a medium containing charged particles at less than 5 wt % is in the plurality of divided regions and between the first electrode pattern and the transparent electrode; and a seal surrounding the plurality of divided regions and bonded to the first and second substrates.
Claims29
An optical controller, comprising:
- a transparent lower substrate with a first electrode pattern;
- a transparent upper substrate with a transparent electrode;
- a plurality of divided regions separated by partitions on the transparent lower substrate;
- a medium containing charged particles at less than 5 wt % within the plurality of divided regions and between the first electrode pattern and the transparent electrode;
- and
- a seal surrounding the plurality of divided regions and bonded to the transparent lower substrate and the transparent upper substrates.
3 more elements
An optical controller, comprising:
- a lower substrate with a first electrode pattern;
- an upper substrate with a second electrode pattern;
- a plurality of divided regions separated by partitions on the lower substrate;
- and
- a medium positioned within the seal structure and between the first electrode pattern and the second electrode pattern, the medium having a vapor pressure of less than 40 Pa and containing charged particles of substantially a first polarity.
2 more elements
A method of making an optical controller, comprising:
- forming a first electrode on a first substrate;
- forming a plurality of divided regions separated by partitions on the first substrate;
- dispensing an electrophoretic fluid on the first substrate in which the fluid contains charged particles at less than 5 wt %;
- forming a second electrode on a second substrate;
- positioning the second substrate on the first substrate in a chamber;
- and
- evacuating the chamber so that the first and second substrates are bonded to each other.
4 more elements
Dependencies are inferred from the claim text.