Hitachi, Ltd.

Sony Corporation

Saturn Licensing LLC

Canon Kabushiki Kaisha

Sony Group Corporation

Tomoharu Nakamura

Shingo Ohkawa

Gen Yonezawa

Norio Matsui

Toru Kouno

Tsutomu Ishida

Shun-ichi Ebihara

Shoichi Koyama

Yuuichi Nagayama

Akihiro Nakamura

Tohru Kohno

Tetsuharu Ohya

Koki Morikawa

Hiroo Konishi

Kazue Shimizu

Satoshi Miyazaki

Akira Tanaka

Mitsuo Okumura

Tomoya Yano

Yuji Nakahata

Tohru Watanabe

Yoshihito Ohki

Nobuki Furue

Shinya Tanifuji

Shigeki Hirasawa

Yasuo Sato

Mitsuru Nakamura

Masahiro Watanabe

Masahiko Amano

Junzo Kawakami

Masaaki Fujimori

Chihiro Fukui

Kazuo Nishijima

Hironari Kawazoe

Terunobu Miyazaki

Tadao Kawai

Yukio Tokiwa

Tatsuhito Nakajima

Satoru Murata

Hirofumi Tsutsumi

Eisaburo Sakou

Masahiro Sekoguchi

Hideyuki Shitanishi

Masahito Toyosaki

Kenichi Gokita

Hiroyuki Irokawa

Syoichi Mashiko

Hidehiko Shimamura

Atsuhiko Kubo

Juichiro Atsumi

Masanori Kaminaga

Kosho Aikawa

Hajime Kikuhara

Hisayuki Magoroku

Yuichi Nagayama

Provided is a light-emitting device that makes it possible to emit, with high efficiency, light having higher uniformity. The light-emitting device includes a light source, a wavelength conversion unit, and a wall member. The light source is disposed on a substrate. The wavelength conversion unit includes a wavelength conversion member and a transparent member that contains the wavelength conversion member therein. The wavelength conversion member is disposed to face the light source in a thickness direction and converts first wavelength light from the light source to second wavelength light. The wall member is provided on a substrate and surrounds the light source in a plane that is orthogonal to the thickness direction. A region occupied by the wavelength conversion member is wider than a region surrounded by the wall member, and entirely overlaps with the region surrounded by the wall member in the thickness direction.

Light-emitting device, display apparatus, and illumination apparatus

There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.

Light emitting unit, display, and lighting apparatus

An image display apparatus according to one embodiment of the present disclosure includes: an output section that outputs projection light along a predetermined axis; an irradiated member to be irradiated with the projection light; and a first optical member that is disposed downstream of the irradiated member on a light path of the projection light, and reflects or diffuses a portion of the projection light that has transmitted through the irradiated member.

Image display apparatus and screen

There are provided a light emitting unit using a wavelength conversion member which may be put to practical use, and a display and a lighting apparatus which include the light emitting unit. The light emitting unit includes: a light source; an optical part including a light incident surface, the light incident surface facing the light source; a wavelength conversion member provided between the light source and the light incident surface; and a holding member holding the wavelength conversion member at a position between the light source and the light incident surface of the optical part.

An image display apparatus according to one embodiment of the present disclosure includes: an output unit including a light source and outputting projection light outputted from the light source along a predetermined axis; an irradiation target member to be irradiated with the projection light; a first optical member disposed opposite to the output unit along the predetermined axis and controlling an incident angle of the projection light to be incident on the irradiation target member; and a second optical member included in the output unit and adjusting an illumination range of the projection light to be incident on the first optical member such that the illumination range has an aspect ratio of substantially the same as an aspect ratio of an outer shape of the first optical member.

Image display apparatus

An image display device according to an aspect of the present technology includes an emission portion, a transparent base material, an irradiation target, and an optical portion. The emission portion emits image light along a predetermined axis. The transparent base material includes a tapered surface having a tapered shape along the predetermined axis. The irradiation target is disposed at least a part around the predetermined axis along the tapered surface. The optical portion controls an incident angle of the image light on the irradiation target, the image light having been emitted from the emission portion, the optical portion being disposed in a manner that the optical portion faces the emission portion on the basis of the predetermined axis.

Image display device

Provided is a light-emitting device that makes it possible to emit, with high efficiency, light having higher uniformity. The light-emitting device includes a light source, a wavelength conversion unit, and a wall member. The light source is disposed on a substrate. The wavelength conversion unit includes a wavelength conversion member and a transparent member that contains the wavelength conversion member therein. The wavelength conversion member is disposed to face the light source in a thickness direction and converts first wavelength light from the light source to second wavelength light. The wall member is provided on a substrate and surrounds the light source in a plane that is orthogonal to the thickness direction. A region occupied by the wavelength conversion member is wider than a region surrounded by the wall member, and entirety overlaps with the region surrounded by the wall member in the thickness direction.

To provide a new method for displaying a video image on a whole circumference screen. Provided is an image display device including: an emission unit configured to emit image light along a predetermined axis; a screen arranged over a whole circumference around the predetermined axis and having a cylindrical shape with the predetermined axis as a substantially central axis; and an optical unit arranged to face the emission unit with the predetermined axis as a reference, and configured to control an incident angle of the image light emitted by the emission unit, the incident angle being with respect to the screen, in which a video image displayed by the image light incident on the screen is simultaneously displayed over a whole circumference around the predetermined axis.

An image display apparatus () according to the present invention includes a display unit and a projection unit. The display unit includes a curved first screen () and a curved second screen (), the first screen extending along a predetermined axis (), the curved screen having transparency and being disposed on a front side of the first screen () with a gap interposed therebetween. The projection unit includes an emitter () that emits light for displaying a first image from a region on the predetermined axis () and a second image superimposed on the first image, projects the first image onto the first screen (), and projects the second image onto the second screen ().

An image display apparatus according to an embodiment of the present technology includes: a light emission unit; an object to be irradiated; and a reflection portion. The light emission unit emits image light along a predetermined axis. The object to be irradiated is disposed at least partially around the predetermined axis. The reflection portion is disposed facing the light emission unit with reference to the predetermined axis and has a plurality of reflection regions that divides the emitted image light into a plurality of light beams and reflects the light beams toward the object to be irradiated.

Image display apparatus with reflection regions

An image display apparatus according to an embodiment of the present technology includes an emitter, an irradiation target object, an optical unit, and a polarization control unit. The emitter emits image light along a predetermined axis. The irradiation target object is disposed in at least a part of an area around the predetermined axis. The optical unit is disposed to be opposite to the emitter by using the predetermined axis as a reference and causes the emitted image light to enter the irradiation target object. The polarization control unit controls a polarization state of the image light that enters the irradiation target object in accordance with a shape of the irradiation target object.

Growing community of inventors

Tokyo, Japan

Tomoharu Nakamura