Viewing angle control element and display module
AssigneesInnolux Corporation, Carux Technology Pte. Ltd.
InventorsChih-Chang Chen, Bo-Tsuen Chen, Li-Wei Sung
Life of this patent
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Abstract
A viewing angle control element and a display module are provided. The viewing angle control element includes a first substrate, a plurality of first spacer units, a plurality of second spacer units, and a second substrate. The plurality of first spacer units are disposed on the first substrate. The plurality of second spacer units are respectively disposed on the plurality of first spacer units. The second substrate is disposed on the plurality of second spacer units. A reflectivity of the plurality of first spacer units is greater than a reflectivity of the plurality of second spacer units.
Claims19
A viewing angle control element, comprising:
- a first substrate;
- a plurality of first spacer units, disposed on the first substrate;
- a plurality of second spacer units, respectively disposed on the first spacer units;
- and
- a second substrate, disposed on the second spacer units,
- wherein a reflectivity of the first spacer units is greater than a reflectivity of the second spacer units, and
- wherein a cross-sectional shape of at least one of the second spacer units comprises a plurality of steps stacked along a direction that is inclined relative to a stacking direction of the first substrate and the second substrate.
A display module, comprising:
- a backlight;
- a display panel, disposed on the backlight;
- and
- a viewing angle control element, disposed between the backlight and the display panel and comprising:
- a first substrate;
- a plurality of first spacer units, disposed on the first substrate;
- a plurality of second spacer units, respectively disposed on the first spacer units;
- and
- a second substrate, disposed on the second spacer units,
- wherein a reflectivity of the first spacer units is greater than a reflectivity of the second spacer units, and
- wherein a cross-sectional shape of at least one of the second spacer units comprises a plurality of steps stacked along a direction that is inclined relative to a stacking direction of the first substrate and the second substrate.
Dependencies are inferred from the claim text.