US 12,461,606 B2 · Optical pen and display system including optical interface

Abstract

A display system includes an optical interface. The display system includes an optical pen outputting infrared light. A display device acquires information on a user input based on the infrared light provided by the optical pen. The display device includes a panel layer and a code layer disposed on the panel layer. The code layer includes an optical pattern absorbing at least a portion of the infrared light provided by the optical pen. The optical pen includes a pen body and a nib disposed in the pen body. The nib includes a nib head part including a first end portion and an opposite second end portion. A nib body part is connected to the nib head part. The first end portion forms a curved surface.

Claims19

Dependent claims

A display system including an optical interface, the display system comprising:

an optical pen outputting infrared light;
and
a display device acquiring information on a user input based on the infrared light provided by the optical pen,
wherein the display device includes:
a panel layer;
and
a code layer disposed on the panel layer, the code layer including an optical pattern absorbing at least a portion of the infrared light provided by the optical pen,
wherein the optical pen includes:
a pen body;
and
a nib disposed in the pen body,
wherein the nib includes:
a nib head part including a first end portion and an opposite second end portion;
and
a nib body part connected to the nib head part,
wherein the first end portion forms a curved surface, and
wherein a hardness of the nib is in a range of about 50 to about 90 with respect to Shore A hardness.

14 more elements

Dependencies are inferred from the claim text.

Optical pen and display system including optical interface

Life of this patent

Optical pen and display system including optical interface

Life of this patent

Abstract

Claims19