Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Matsushita Electric Industrial Co., Ltd.

Joled Inc.

Masahiro Kasano

Kouki Ichihashi

Takashi Matsuda

Katsuhiko Hayashi

Yasuhiro Tanaka

Takumi Yamaguchi

Yuichi Inaba

Takashi Ohta

Tomoyuki Nakano

Takahiro Miyake

Shinji Yoshida

Kazutoshi Onozawa

Kenji Okumoto

Takahiro Kobayashi

Daizaburo Matsuki

Tomoko Iiyama

Shinzo Koyama

Yoshio Umeda

Yosuke Asai

Yoshihiro Kawakita

Shigeru Yamane

Wahei Agemizu

Hideaki Eto

Takanori Yogo

Yuuichi Inaba

Hiroshi Morioka

Go Nakatani

An input device includes: a light source that emits light; a first sheet including a design portion; a second sheet having a conductive pattern on which the light source is mounted and in which a touch sensor electrode is disposed in a position different from the light source; a body that is sandwiched between the first sheet and the second sheet to be integral therewith, and transmits the light emitted by the light source; and a guide disposed in a light path from the light source to the design portion, the guide guiding light transmitting through an inside of the body toward the design portion and being distinguished from the body. The light source and the light guide are disposed along a surface of the second sheet on a side facing the body. The body is integral with the light source and the light guide and encapsulates them.

Input device

A lighting device includes a light emitting element; a first lens that captures and emits light generated by the light emitting element; and a second lens that captures light emitted from the first lens and emits the light in a predetermined direction. The first lens includes a first-lens-entrance through which the light generated by the light emitting element enters, a first lens exit that emits the light entered from the first-lens-entrance and transmitted through an inside of the first lens, and a plurality of first-lens-side-portion-wall-surfaces that are provided between the first-lens-entrance and the first lens exit. The plurality of first-lens-side-portion-wall-surfaces include a reflection-side-surface-portion that reflects the light entered the inside of the first lens from the first-lens-entrance, and a side surface portion that is configured to allow light having a luminous intensity smaller than a luminous intensity of light entering the reflection-side-surface-portion to enter.

Lighting device and vehicular headlamp

A mounting pedestal on which a heat generating component is disposed is provided. The mounting pedestal includes a substrate which includes a plurality of bending portions at which the substrate is bent in a staircase shape. An insulating layer is disposed on a surface of the substrate. An interconnecting line is disposed on the insulating layer. In the mounting pedestal, the interconnecting line extends across the plurality of bending portions. In each of the plurality of bending portions, a corner radius (R) of a mountain portion is greater than a corner R of a valley portion.

Mounting pedestal, component mounting module, and moving body

A mounting pedestal is disposed on a wheeled vehicle and a light emitter is mounted on the mounting pedestal. The mounting pedestal includes a metal layer and an insulating layer stacked on the metal layer. The insulating layer has a major surface facing in a direction of travel of the wheeled vehicle and a heat escape port in which solder that joins the light emitter and the metal layer is disposed. The mounting pedestal has a step which arranges the major surface into a plurality of major surfaces.

Mounting pedestal, light-emitting device, moving-body lighting device, and moving body

A vehicle headlamp includes a plurality of light emitting elements; a plurality of first lenses; and a plurality of second lenses. The first lens includes a first lens entrance and a first lens exit, and is configured to converge light entered the first lens entrance from the light emitting element on the first lens exit. The second lens includes a second lens entrance facing the first lens exit of the first lens and the second lens exit having a projection shape for forming a focal point. The focal point of the second lens is positioned at a side of the second lens ahead the first lens exit of the first lens.

Vehicle headlamp and vehicle using same

A headlight for a vehicle having good heat dissipation performance includes a plurality of lens units, each including a plurality of light emitting devices, and lenses arranged so as to face the respective plural light emitting devices. The plurality of light emitting devices include first light emitting devices arranged on an inner side of the vehicle and having a first light emitting area and second light emitting devices arranged on an outer side of the vehicle having a second light emitting area. A first light distribution emitted from first lens units having the first light emitting devices and a second light distribution emitted from second lens units having the second light emitting devices are included, and the second light emitting area is smaller than the first light emitting area as well as a range of the second light distribution is smaller than a range of the first light distribution.

Headlight for vehicle and vehicle using the same

A small and thin lighting device with high efficiency and good design and a headlight for a vehicle. A lighting device includes a first lens taking light generated by a light emitting device and emitting the light, and a second lens taking an emitted light from the first lens and emitting the light, in which the second lens is an anamorphic lens in which curvatures are different in a vertical direction and a right and left direction and a center of a lens surface in the vertical direction of the second lens is positioned in an upper direction with respect to an optical axis of the first lens. A headlight for a vehicle including the plural lighting devices is forming a low beam light distribution by superimposing lights from respective lighting devices for irradiation of the center, right and left in a horizontal direction respectively.

Lighting device and headlight for vehicle

The present disclosure provides a virtual image display apparatus, head-up display system, and vehicle that distribute a spatially divided parallax image between a left eye and right eye of a user appropriately. The virtual image display apparatus according to the present disclosure includes a display device configured to spatially divide with a first pitch and to output right-eye images and left-eye images, first optical members periodically disposed with a second pitch, distributing light based on the output from the display device between a right-eye direction and a left-eye direction, and a second optical member configured to reflect or refract, by positive power, the light distributed between the right-eye direction and the left-eye direction by the first optical members. The first pitch is narrower than the second pitch.

Virtual image display apparatus, head-up display system, and vehicle

An object of the present disclosure is to provide a virtual image display device, a head-up display system and a vehicle which further improve convenience. The virtual image display device according to the present disclosure includes: a display device which outputs a parallax image forming a left eye virtual image and a right eye virtual image, the parallax image having a plurality of regions whose parallax amounts of the left eye virtual image and the right eye virtual image are different; an optical system which displays a virtual image based on the parallax image; and a controller which changes a partition of the plurality of regions of the parallax image according to a situation.

Virtual image display device, head-up display system, and vehicle

An image display apparatus includes: an image display panel; a backlight device; first and second liquid crystal prism elements each configured to change a deflection direction of emitted light according to a voltage applied thereto; a position detection section configured to detect a position of a user; and a control section configured to control the voltages applied to the liquid crystal prism elements, on the basis of information of the position of the user detected by the position detection section. Each liquid crystal prism element includes a pair of opposing substrates, a plurality of triangular prisms which have ridge lines extending in a first direction parallel to one side of the image display panel and are arranged between the pair of opposing substrates so as to be aligned along a second direction orthogonal to the first direction, and a liquid crystal sealed between the opposing substrates.

Image display apparatus

An image display apparatus is provided, which uses a light deflection element capable of deflecting incident light so as to follow the position of an observer, and suppressing reduction in the intensity of light reaching eyes of the observer, regardless of the position of the observer. The light deflection element according to the present disclosure is configured to deflect incident light, and includes: a first optical element that deflects incident light; a second optical element that changes a deflection direction of emitted light by changing a refractive index thereof according to a voltage applied thereto; a first electrode provided on the first optical element side; a plurality of second electrodes provided on the second optical element side; and a control section that controls the voltage applied to the second optical element.

An image display apparatus according to the present disclosure includes: an image display panel; a backlight device; a first optical element located between the image display panel and the backlight device and configured to deflect a light incident thereon; a second optical element located between the first optical element and the image display panel and configured to change a deflection angle of emitted light according to a voltage applied thereto; a plurality of first lenses located between the first optical element and the backlight device; a plurality of second lenses located between the second optical element and the image display panel; a position detection section configured to detect a viewing position of a viewer; and a control section configured to control the voltage applied to the second optical element, according to the detected viewing position. The first lenses and the second lenses constitute an afocal optical system.

An image display apparatus capable of ensuring a wide view range is provided. The image display apparatus includes: an image display panel; a backlight located on a back surface side of the image display panel; prisms located between the image display panel and the backlight and configured to deflect incident light; a liquid crystal layer located between the image display panel and the backlight and configured to change a deflection direction of emitted light by changing a refractive index thereof according to a voltage applied thereto; a position detection section configured to detect a position of a user; and a control section configured to control the voltage applied to the liquid crystal layer, on the basis of information of the position of the user detected by the position detection section.

A light deflection element is capable of deflecting incident light so as to follow a position of an observer and suppressing reduction in intensity of light that reaches eyes of the observer regardless of their position. The light deflection element includes: a first optical element configured to deflect incident light; a second optical element configured to change a deflection direction of emitted light by changing a refractive index thereof according to a voltage applied thereto; a third optical element; and a control section configured to control the voltage applied to the second optical element. At least one of interfaces between the first and second optical elements and the second and third optical elements is an aspheric surface. The aspheric surface has an optical power that compensates enlargement of the emitted light which is caused by refractive index distribution caused when a voltage is applied to the second optical element.

Light deflection element and image display apparatus using the same

A liquid crystal prism element includes a pair of opposing substrates, a plurality of triangular prisms which have a ridge line extending in a Y axis direction and are arranged between the opposing substrates so as to be aligned along an X axis direction, and a liquid crystal layer formed between the opposing substrates. Each triangular prism has an inclined surface located on a center side of the opposing substrate in the X axis direction, an inclined surface located on a lateral side of the opposing substrate in the X axis direction, and a bottom surface. Both of the two inclined surfaces of a triangular prism provided at least in a portion of a region on the opposing substrate are formed so as to not be perpendicular to the opposing substrate.

Growing community of inventors

Osaka, Japan

Masahiro Kasano