Samsung Electro-mechanics Co., Ltd.

Samsung Electronics Co., Ltd.

Haeng Seok Yang

Sang Kyeong Yun

Kwan Young Oh

Dong-Won Lee

Kyu Bum Han

Dong Won Lee

Dong Ho Shin

Jun Mo An

Chang Seob Kim

Jin Sun Jung

Jong Hyeong Song

Seung Do An

Ho Chan Cho

Jung Hwan Park

Tae Eung Kim

Tae Keun Oh

Yurlov Victor

Heui Sam Kwag

In Jae Yeo

Seung Won Ryu

Jun Won An

Sung Kyong Oh

Chun Gi Kim

Disclosed is a lighting control apparatus. According to one embodiment of the present invention, a lighting system control be easily configured, maintained, and repaired since additional light and block control of the lighting can be provided with ease by wireless control of the lighting through wireless communication. In addition, the present invention can control individual lamps by storing a control signal corresponding to an address for each lamp in a gateway according to a predetermined scenario.

Lighting control apparatus

Disclosed herein is a lighting apparatus. The lighting apparatus includes: a first light emitting unit including one or more main light sources radiating white light downward; one or more second light emitting units formed at the sides under the first light emitting unit and including one or more sub-light sources radiating color light that is mixed with the white light radiated from the first light emitting unit; and a light guide plate mixing the white light radiated from the main light sources and the color light radiated from the sub-light sources and radiating the mixed light downward. According to the embodiments, it is possible to remove non-uniformity of luminance of the lighting apparatus that can control color temperature by efficiently disposing main light sources radiating white light and sub-light sources radiating color light. Further, it is possible to increase efficiency of the lighting apparatus by radiating light, using all of the main light sources even at any color temperature.

Lighting apparatus

A mobile terminal includes an optical modulation projector. The mobile terminal also includes a control system, a projection control unit, and an optical modulation system. The control system outputs a projection control signal and image data. The projection control unit receives the image data from the control system, and generates and outputs a drive control signal depending on the image data received. The optical modulation system generates and modulates light and generates an image in response to the drive control signal and then scans the image for projecting onto a screen.

Optical modulators including incorporated into mobile terminal projector

Disclosed herein is an apparatus for calibrating the displacement of reflective parts in a diffractive optical modulator. The apparatus includes a diffractive optical modulator, a light intensity measurement unit, a projection unit, and display electronics. The light intensity measurement unit is disposed near one side of the diffractive optical modulator and measures and outputs the intensity of incident linear diffracted light having a predetermined diffraction order.

Apparatus for calibrating displacement of reflective parts in diffractive optical modulator

Disclosed herein is a raster scanning-type display device using a diffractive optical modulator. The raster scanning-type display device includes an optical illumination unit, a diffractive optical modulator, and a projection unit. The optical illumination unit radiates light, which is emitted from a light source, in a spot beam form. The diffractive optical modulator causes an element to modulate the spot beam incident from the optical illumination unit, and generate diffracted light whose intensity is adjusted and which has a plurality of diffraction orders. The projection unit generates an image by projecting the diffracted light incident from the diffractive optical modulator onto a screen in a scanning spot beam form and performing raster scanning in which horizontal scanning and vertical scanning are alternated.

Raster scanning-type display device using diffractive optical modulator

Disclosed herein is a pixel unit scanning-based display apparatus, in which diffracted beams having a plurality of diffraction orders, formed from a single beam through diffraction, are used to display images in such a manner that each pixel can from a plurality of dots on a screen by vibrating the diffracted light generated in pixels.

Pixel unit scanning-based display apparatus

Disclosed herein is a printing apparatus using an order-separation type optical modulator. The printing apparatus includes an illumination lens system, a diffraction type optical modulator, a filter system, and a projection system. The illumination lens system converts light, which is output from a light source, into linear light and outputs linear, parallel light, the diffraction type optical modulator performs desired modulation on the linear, parallel light emitted from the illumination lens system and forms diffracted light having a plurality of diffraction orders.

Printing apparatus using order-separation type optical modulator

A display device includes a condenser unit, an illumination lens system, a plurality of diffractive light modulators, a mirror for separating illumination light from diffracted light, a polarized beam separator, a filter unit and a projection unit. The condenser unit converges polarized light, and outputs the converged polarized light.

Color display device using separate diffracted light and illumination light

Disclosed herein is a display device using a single-panel diffractive light modulator. The display device includes a light source unit, a condensing unit, an illumination unit, a diffractive light modulator, a projection unit, a filter unit, and a distortion correcting means.

Display device using single-panel diffractive light modulator

A color display apparatus having a virtual single light origin is disclosed. The color display apparatus includes an illumination lens system, a combining system, a Fourier filter and a projection system. The illumination lens system converts a plurality of light beams, which are radiated from a plurality of light sources, into linear, parallel light beams. The combining system produces a plurality of diffracted light beams having a plurality of diffraction orders by modulating each of the parallel light beams incident from the illumination lens, and outputs the plurality of diffracted light beams so that the diffracted light beams have a same virtual light origin and are adjacently located. The Fourier filter passes only some of the diffracted light beams, which have desired diffraction orders, therethrough. The projection system focuses the diffracted light beams, which are passed through the Fourier filter, on an object, and then allows the focused diffracted light beams to scan the object.

Color display apparatus having virtual single light origin

A display device is disclosed herein. The display device includes a condenser unit, an illumination lens system, an optical modulation system, a filter system and a projection system. The condenser unit converges polarized light output from a plurality of light sources, and outputs the converged polarized light. The illumination lens system converts the polarized light into linear parallel light. The optical modulation system produces diffracted light beams having a plurality of diffraction orders by optically modulating the polarized light. The filter system passes some of the diffracted light beams having desired orders therethrough. The projection system focuses the diffracted light beams passed through the filter system, and projects the focused diffracted light beams onto a screen.

Color display device having single illuminating system

A display device is disclosed. The display device includes a condenser unit, an illumination lens system, a plurality of diffractive light modulators, a mirror for separating illumination light from diffracted light, a polarized beam separator, a filter unit and a projection unit.

A display device using a light modulator and having an improved numerical aperture (NA) of an after-edge lens system is disclosed. The display device includes an illumination lens, a diffractive light modulator, an NA improvement unit, a filter system and a projection system. The illumination lens converts light into linear parallel light, and outputs the linear parallel light. The diffractive light modulator produces diffracted light beams having a plurality of diffraction orders by modulating the linear parallel light incident from the illumination lens according to an external control signal. The NA improvement unit causes + and &#x2212; diffracted light beams of the diffracted light beams to come close to each other. The filter system passes only some of the diffracted light beams having predetermined orders, therethrough. The projection system focuses the diffracted light beams onto an object and allows the focused diffracted light to scan the object.

Display device using light modulator and having improved numerical aperture of after-edge lens system

Disclosed herein is a display device using an optical modulator equipped with a lens system having an improved numerical aperture. The display device includes numerical aperture reducer for reducing a numeral aperture by causing +1st order diffracted light and corresponding &#x2212;1st order diffracted light of a diffracted light, which have passed through a relay lens system, to approach each other.

Display device using optical modulator equipped with lens system having improved numerical aperture

A color display device is disclosed. The color display device includes an illumination lens system, a diffractive light modulation system, a combining system, a Fourier filter system, and a projection system. The illumination lens system converts a plurality of light beams into linear parallel light beams. The diffractive light modulation system produces a plurality of diffracted light beams having a plurality of diffraction orders by modulating each of the plurality of parallel light beams that are almost perpendicularly incident from the illumination lens system, The combining system focuses the plurality of diffracted light beams having the plurality of diffraction orders. The Fourier filter system selects diffracted light beams having desired diffraction orders using a dichroic filter. The projection system focuses the diffracted light beams on an object, and allowing the focused diffracted light beams to scan the object.

Growing community of inventors

Gyeonggi-do, South Korea

Haeng Seok Yang