公开(公告)号：US20170176669A1

公开(公告)日：2017-06-22

申请号：US15171523

申请日：2016-06-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaeseung CHUNG ,  Sunghoon LEE ,  Jihyun BAE ,  Joonyong PARK ,  Hoon SONG ,  Hongseok LEE ,  Dongouk KIM ,  Hyunjoon KIM ,  Bongsu SHIN ,  Dongsik SHIM ,  Seogwoo HONG

IPC: F21V8/00 ,  G02B5/18 ,  G02B27/22

CPC classification number: G02B6/0061 ,  G02B5/1819 ,  G02B5/1842 ,  G02B5/1857 ,  G02B6/005 ,  G02B6/0065 ,  G02B6/0068 ,  G02B27/2228

Abstract: A directional backlight and a 3D image display apparatus including the directional backlight are provided. The directional backlight includes a light guide plate guiding light emitted from a light source; a diffractive device configured to adjust the direction of light exiting the light guide plate; and an aperture adjusting layer including a plurality of apertures. The aperture adjusting layer may adjust the optical output efficiency of the diffractive device.

公开(公告)号：US20170168209A1

公开(公告)日：2017-06-15

申请号：US15236604

申请日：2016-08-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bongsu SHIN ,  Joonyong PARK ,  Hyunjoon KIM ,  Dongouk KIM ,  Jihyun BAE ,  Dongsik SHIM ,  Sunghoon LEE ,  Jaeseung CHUNG ,  Seogwoo HONG

IPC: F21V8/00

CPC classification number: G02B6/005 ,  G02B6/00 ,  G02B6/0026 ,  G02B6/0068 ,  G02B27/22 ,  G02F1/133606 ,  G02F1/133615

Abstract: A directional backlight unit and a three-dimensional image display apparatus including the directional backlight unit are provided. The directional backlight unit includes a light source, a light guide plate guiding light emitted from the light source, and a diffraction device including a plurality of sections. Each of the sections includes a grating pattern set configured to adjust the direction of light incident from the light guide plate.

公开(公告)号：US20160020709A1

公开(公告)日：2016-01-21

申请号：US14701580

申请日：2015-05-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongsik SHIM ,  Seogwoo HONG ,  Seokwhan CHUNG

IPC: H02N1/00

CPC classification number: B06B1/0292

Abstract: An ultrasonic transducer and a method of manufacturing the same are provided. The ultrasonic transducer includes a substrate, a first insulation layer, and a first thin film layer; a plurality of support members formed on the first thin film layer; a second thin film layer supported by the plurality of support members; a cavity between the first thin film layer and the second thin film layer; and a common ground electrode on the second thin film layer.

Abstract translation: 提供了一种超声换能器及其制造方法。 超声波换能器包括基板，第一绝缘层和第一薄膜层; 形成在所述第一薄膜层上的多个支撑构件; 由所述多个支撑构件支撑的第二薄膜层; 第一薄膜层和第二薄膜层之间的空腔; 以及第二薄膜层上的公共接地电极。