Samsung Display Co., Ltd.

Gil Yeong Park

Hee Young Lee

Da Som Gu

So Yeon Han

Sung Guk An

Ki Jun Roh

Eun Mi Seo

Min Ju Oh

Min Kyoung Jung

Eun Kyung Park

Ji Hwa Lee

You Gyoung Lee

Jung Yeong Seol

The present disclosure relates to a display device including a display panel, a protection layer on the display panel, and a first adhesive layer between the display panel and the protection layer. The first adhesive layer may contain 0.05 wt % to 1 wt % of a silane coupling agent, and the first adhesive layer may have creep of 20% or less at 60° C.

Display device

A display device includes a display panel including a plurality of pixels, a folding area, a first non-folding area disposed on one side of the folding area, and a second non-folding area disposed on the other side of the folding area, a first adhesive layer disposed on one surface of the display panel, and a code pattern layer. The code pattern layer includes a light absorption layer disposed on one surface of the first adhesive layer, a base layer disposed on the light absorption layer, and a plurality of code patterns disposed on the base layer. A thickness of the base layer is smaller than a thickness of the first adhesive layer.

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.

Optical pen and display system including optical interface

An optical inspection device for an optical performance test of a display device including a lens part configured to transmit external light, a phase film part configured to change a phase difference of the external light and transmit the external light, and an image processor configured to obtain electrical information of the external light, in which a phase difference of the phase film part is at least 7000 nm.

Optical inspection device for optical performance test of display device and optical inspection method using the same

A display device including: a display unit including a plurality of sub-pixels; a touch sensing unit formed on the display unit and configured to sense a touch position; a code arrangement unit disposed on the touch sensing unit, wherein the code arrangement unit includes code patterns; and a surface protection cover disposed on the code arrangement unit, wherein a distance between the code patterns and a reflective surface formed below the code patterns is equal to or less than 55% of one width of one of the code patterns.

Display device, electronic device and a position input system with touch sensing unit, code patterns and reflective surface

A display device includes a display layer emitting light. An infrared reflective layer is disposed on the display layer. An optical pattern is disposed on the infrared reflective layer. The optical pattern absorbs at least a portion of infrared light.

Display device and display system comprising optical interface

A display device includes: a substrate; a display layer disposed on the substrate and including a plurality of light emitting areas; a code pattern layer disposed on the display layer and including a plurality of position code patterns; and a reflective layer that receives first light incident from the outside having a first wavelength band and reflects the first light to generate second light having a second wavelength band, wherein a second peak wavelength of the second light is smaller than a first peak wavelength of the first light.

Display device and touch sensing system including the same

A display device includes: a substrate; a display element layer disposed on the substrate, where the display element layer includes a light emitting element which emits light; a polarizing film disposed on the display element layer, where the polarizing film includes a first polarizer having a first absorption axis extending to a first direction and a first transmission axis extending to a second direction orthogonal to the first direction; and a first layer disposed on one surface of the polarizing film, where the first layer has a first phase difference. Light emitted from the display element layer has a polarizing axis, and an angle between the polarizing axis and one of the first absorption axis and the first transmission axis is in a range of about 25 degrees to about 65 degrees.

Display device and optical inspection method for the same

A display device includes: a display panel; and a stacked structure on the display panel, wherein the stacked structure includes: a first coupling member on the display panel; a reflective layer on the first coupling member; a second coupling member on the reflective layer; a code pattern part on the second coupling member; and a light blocking layer on the code pattern part and including an ultraviolet absorber, and a thickness between a lower surface of the reflective layer and an upper surface of the light blocking layer is 100 μm or less.

Growing community of inventors

Yongin-si, South Korea

Gil Yeong Park