Seiko Epson Corporation

Sieko Epson Corporation

Seiki Epson Corporation

Takashi Takeda

Masayuki Takagi

Toshiaki Miyao

Akira Komatsu

Takahiro Totani

Masatoshi Yonekubo

Tokito Yamaguchi

Taisuke Yamauchi

Mitsutaka Ide

Hayato Matsuki

Hidefumi Sakata

Osamu Yokoyama

Tetsuro Yamazaki

Shunji Kamijima

Daiki Matsumoto

Tsuyoshi Kaneko

Toshiyuki Noguchi

Hideya Seki

Daisuke Ishida

Daisuke Uchikawa

Toshio Arimura

Takeshi Koshihara

Shohei Yoshida

Hidemitsu Sorimachi

Hirokazu Ito

Yasushi Mizoguchi

Toshiyuki Kasai

Yasunaga Miyazawa

Kazuya Kamakura

Kunihiko Yano

Takeshi Fujishiro

Susumu Aruga

Fumika Sumiyama

Takuya Ikeda

Hidekazu Kobayashi

Masahide Takano

Akira Hashimoto

Yoshihiro Tatara

Takao Nishikawa

Hideki Kojima

Fumio Koyama

Hideki Kato

Shinji Haba

Noriaki Hiraide

Shigeo Nojima

Atsushi Saito

Satoshi Kinoshita

Akio Fukase

Shuichi Wakabayashi

Taro Takekoshi

Hideaki Iwano

Yoshitaka Ito

Hiroyuki Ishikawa

Shigeru Kogure

Mitsuo Nagata

Hiroyuki Tatsugi

Kouichi Ebina

Hiroshi Shingu

Tetsuya Seki

A display device or optical module includes a display element that emits image light, an imaging optical system as a light guide optical device that has non-axial symmetry in a predetermined direction and forms an exit pupil by light guiding of the image light from the display element, and a light-shielding member disposed between the display element and the imaging optical system, wherein the light-shielding member has a light-shielding part disposed to overlap an unused region in which an image is not displayed in a display region of the display element.

Optical module and display device

A display device includes an image element, a prism mirror configured to cause imaging light emitted from the image element to be incident on a light incident surface, to reflect the imaging light by an inner reflection surface, and to emit the imaging light from a light emission surface, thereby emitting the imaging light so that the imaging light is returned in an inclined direction, a see-through mirror configured to reflect the imaging light emitted from the prism mirror toward a pupil position, and a basic aperture diaphragm configured to limit the passage of the imaging light incident on the light incident surface of the prism mirror.

Display device and optical unit

Provided is a display module including a display element, and a light-guiding optical device that guides image light emitted from the display element to form an exit pupil, in which the light-guiding optical device is an off-axis optical system. The off-axis optical system includes a first optical surface, a second optical surface, a first light-shielding portion, the first light-shielding portion being formed at the first optical surface, and a second light-shielding portion, the second light-shielding portion being formed at the second optical surface, in which the first light-shielding portion exposes, through a first aperture, a part of the first optical surface, and the second light-shielding portion exposes, through a second aperture, a part of the second optical surface, the first aperture and the second aperture having mutually different shapes.

Display module having light-shielding portions with apertures having different shapes, virtual display apparatus, and manufacturing method for light-guiding optical device

An optical module according to the present disclosure includes a display element, a first optical member, a second optical member, a third optical member, and an adhesive joints the first optical member and the second optical member. A first optical member includes a first positioning portion that performs a positioning with respect to a second optical member and the second optical member includes a second positioning portion that performs a positioning with respect to the first optical member.

Optical module, virtual image display device, and light-guiding device

An optical unit and an image display device include a display element configured to emit imaging light, a first mirror having partial transparency and configured to reflect a portion of the imaging light emitted from the display element, and a second mirror configured to return the imaging light reflected by the first mirror to the first mirror to form an exit pupil. The imaging light is incident on the first mirror from the display element at a first incident angle, and the imaging light is incident on the first mirror at a second incident angle that is smaller than the first incident angle from the second mirror, and the first mirror includes an angle dependent separation film that shows different separation characteristics for the imaging light according to the difference between the first incident angle and the second incident angle.

Optical unit and image display device

A virtual image display device includes an image generation device, and a concave transmissive mirror configured to reflect image light emitted from the image generation device. A light superimposer is provided on an external side of a partial reflective film provided in the concave transmissive mirror, the light superimposer being configured to superimpose additional light in a visible range on image light transmitted through the partial reflective film.

Virtual image display device and optical unit

A virtual image display device includes a first image display device configured to display a virtual image, a second image display device configured to display a virtual image, a line-of-sight direction distance detection device configured to detect an object distance in a line-of-sight direction of a wearer, an image display control unit configured to control display states of the first image display device and the second image display device in accordance with the object distance, and a liquid crystal lens configured to be disposed in front of eyes of the wearer and configured such that a focal length changes with respect to a s-polarization component of image light emitted from the first image display device and the second image display device.

Virtual image display device

A display device includes an image element, a prism mirror that receives image light emitted from the image element through a light incident surface, reflects the image light with an inner reflection surface, and emits the image light from a light emission surface, and a see-through mirror that reflects the image light emitted from the prism mirror toward a pupil position, wherein the prism mirror emits the image light incident from a front to be bent in a direction inclined with respect to the front, and a light emission side of an image source that includes the image element and the prism mirror is covered with a light transmission window that blocks dust.

A virtual image display apparatus according to the present disclosure includes a first display module, a second display module, and a coupling portion having an adjustable structure. The adjustable structure adjusts the first display module with respect to the second display module at least a relative rotational position and relative positions in longitudinal and depth directions.

Virtual image display apparatus

An electronic pen is provided with a light source that emits irradiation light, a rotatable rotating body, a deflecting member that deflects, toward the rotating body, the irradiation light emitted by the light source and transmits the irradiation light reflected by the rotating body, and a detecting member that receives the irradiation light transmitted through the deflecting member.

Electronic apparatus

An imaging light emitting device, and an optical unit configured to guide imaging light emitted from the imaging light emitting device are included, and the imaging light emitting device emits the imaging light at different densities according to a distortion generated in an optical system constituting the optical unit and an image position.

Virtual image display apparatus comprising an optical unit having a projection optical system, a turning mirror, a transmission mirror, and a concave mirror

A virtual image display device is provided. Included in the virtual image display device are: an image light generating device; a projection optical system configured to project image light emitted from the image light generating device; a folding mirror configured to reflect, in an intersecting direction, the image light from the projection optical system; a semi-transmissive mirror configured to reflect a portion of the image light from the folding mirror; a concave surface mirror configured to reflect, toward the semi-transmissive mirror, the image light reflected at the semi-transmissive mirror to form an exit pupil, in which an entrance pupil is formed between the projection optical system and the semi-transmissive mirror.

A virtual image display device includes: an image light generating device; a projection optical system configured to project image light emitted from the image light generating device; a folding mirror configured to reflect, in an intersecting direction, the image light from the projection optical system; a semi-transmissive mirror configured to reflect a portion of the image light from the folding mirror; and a concave surface mirror configured to reflect, toward the semi-transmissive mirror, the image light reflected at the semi-transmissive mirror to form an exit pupil, in which an optical axis of the image light extending from the image light generating device to the folding mirror is disposed between a first virtual extension plane obtained by imaginarily extending the semi-transmissive mirror and a second virtual extension plane obtained by imaginarily extending the concave surface mirror.

A virtual image display apparatus includes a first display device for a right eye, a second display device for a left eye, and an adjustment device configured to adjust display positions, and the first display device and the second display device are configured to guide imaging light in a second direction intersecting a first direction in which the first display device and the second display device are aligned, and display the first image and the second image and the adjustment device makes an adjustment to provide an overlapping area in which the first image and the second image are visually recognized in the overlapping area and an independent area in which the first image and the second image are visually recognized independently.

A display module includes an image light generation device, a light-guiding member, a first reflection surface configured to reflect the imaging light incident via the light-guiding member, a first diffraction element configured to diffract the imaging light, and a second diffraction element configured to diffract the image light and form an exit pupil. The image light is sequentially incident on a first deflection surface, a second deflection surface, a second reflection surface, a third reflection surface, a fourth reflection surface, and a third deflection surface inside the light-guiding member, and a distance from a reference position where an optical axis of the exit pupil and an emission surface intersect to the second deflection surface is longer than a distance from the reference position to the first deflection surface and longer than a distance from the reference position to the second reflection surface.

Display module and display device

Growing community of inventors

Suwa, Japan

Takashi Takeda