公开(公告)号：US10146182B2

公开(公告)日：2018-12-04

申请号：US15214721

申请日：2016-07-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hye Sog Lee ,  Yun Seon Do ,  Jae Joong Kwon

IPC: G03F1/22 ,  G03H1/22 ,  G02B26/00 ,  G03H1/08

Abstract: A holographic image display device includes a backlight for emitting light. An optical path adjuster includes a plurality of electrowetting prisms. Each of the plurality of electrowetting prisms is configured to adjust an optical path of the light. A spatial light modulator includes a plurality of pixels. Each of the plurality of pixels is configured to modulate an amplitude or a phase of the light.

公开(公告)号：US10268317B2

公开(公告)日：2019-04-23

申请号：US15655605

申请日：2017-07-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Joong Kwon ,  Yun Seon Do

IPC: G06F3/042 ,  G06F3/041

Abstract: An apparatus for sensing a touch pressure includes a display panel configured to display images, a window located on the display panel, the window including a display area and a non-display area at the outside of the display area, a first sensor disposed to align with the non-display area, the first sensor including a first optical filter and a first photo detector configured to generate a first sensing value corresponding to an intensity of light transmitted through the first optical filter from the display panel, and a controller configured to calculate a magnitude of a touch pressure based on the first sensing value.