A display device includes a substrate including a display configured to display an image and a non-display area disposed on at least one side of the display area. A plurality of pixels is disposed in the display area. An organic insulating layer is disposed on the substrate. A pixel defining layer is disposed on the organic insulating layer. A sealing layer at least partially covers the display area and the non-display area and includes an inorganic material. The organic insulating layer and the pixel defining layer have a valley disposed therein. The valley is formed by removing portions of the organic insulating layer and the pixel defining layer along a circumference of the display area.

A display apparatus includes: a substrate including a first area and a second area; and a display element layer including a first display element and a second display element. The first display element includes a first electrode having a first thickness and is located in the first area, and the second display element includes a second electrode having a second thickness, which is less than the first thickness, and is located in the second area. The second display element is provided in plural, and one of the plurality of second display elements and another one of the plurality of second display elements are electrically connected to each other.

According to one embodiment of the present disclosure, a biometric sensor includes a flexible substrate, a first light-emitting part disposed on one side of the flexible substrate to output first light toward the body, a second light-emitting part disposed on one side of the flexible substrate to output second light different from the first light toward the body, an elastomer disposed on one side of the flexible substrate in a shape surrounding the first light-emitting part and the second light-emitting part, and a light-receiving part disposed on the other side of the flexible substrate to receive third light corresponding to the first light and fourth light corresponding to the second light.

A display panel and a display device are disclosed. The display panel includes: a first region and a second region, a transmittance of the first region being greater than a transmittance of the second region; a light-emitting unit disposed in the first region, the light-emitting unit including a first unit and a second unit, the first unit and the second unit respectively including a plurality of pixels with a plurality of colors; a drive circuit disposed in the second region and connected to the light-emitting unit; and a transparent conducting wire, at least two pixels with a same color respectively in the first unit and the second unit of the light-emitting unit being connected by the transparent conducting wire.

A display device or an electronic device with high portability and browsability is provided. A display device which includes two display panels that overlap with each other and in which the area of a portion where the two display panels overlap with each other is variable is provided. The larger the area where the two display panels overlap with each other is, the smaller the display device becomes. The first display panel includes a first region that performs display. The second display panel includes a second region that performs display, and a third region that is adjacent to the second region and transmits visible light. When the third region overlaps with the side of a surface which performs display of the first region, display can be performed using a seamless large display region.

To provide a display device that is suitable for increasing in size, a display device in which display unevenness is suppressed, or a display device that can display an image along a curved surface. The display device includes a first display panel and a second display panel each including a pair of substrates. The first display panel and the second display panel each include a first region which can transmit visible light, a second region which can block visible light, and a third region which can perform display. The third region of the first display panel and the first region of the second display panel overlap each other. The third region of the first display panel and the second region of the second display panel do not overlap each other.

The present invention concerns an electronic device, preferably a thin film electronic device, and a method for producing the device. The device comprises an intermediate structure (301, 401, 501) at the interface between neighboring unit devices connected in series. The intermediate structure is suitable to employ deposition techniques that make it possible to avoid steps of scribing or patterning insulating and/or separating lines between adjacent layers of the device.

The present disclosure relates to a package structure of organic light emitting diode (OLED) components. The package structure includes an OLED body and an encapsulation layer having an organic layer, a protecting layer, a blocking layer, and a stressed layer. A first curved-surface area is formed on the organic layer, and the protecting layer, the blocking layer, and the stressed layer are stacked on the organic layer in sequence. The protecting layer, the blocking layer, and the stressed layer are respectively formed with a second curved-surface area. The second curved-surface area is stacked on the first curved-surface area and is overlapped with the first curved-surface area, and the second curved-surface area and the first curved-surface area form a folded area of the encapsulation layer. The present disclosure also relates to one OLED component and a display panel.

In a surface light-emitting unit, a wiring board (60) includes, on its side on which a holding substrate (11) is located, an external-wire connecting portion (40). An opening (11h) is provided in the holding substrate (11). The wiring board (60) is disposed to cover the opening (11h) and allow the external-wire connecting portion (40) to be exposed, through the opening (11h), toward a surface of the holding substrate (11) opposite to the surface thereof on which the wiring board (60) is held. With an external wire connected to the external-wire connecting portion (40), a surface of the wiring board (60) located in the opening (11h) is sealed by a second sealing member.

An illumination apparatus includes: a plurality of light emitting modules connected in series; a constant current source; and a fault detection circuit for detecting that the plurality of light emitting modules have at least one thereof with a short circuit fault. The light emitting module includes: an organic EL panel; a threshold value detection circuit configured to output a constant voltage when the organic EL panel between its anode and cathode has a potential difference equal to or larger than a threshold value; and a VI conversion circuit receiving the constant voltage from the threshold value detection circuit, converting the constant voltage into a constant current, and outputting the constant current. The fault detection circuit detects whether the plurality of light emitting modules have a short circuit fault based on a total value of the constant current output from each light emitting module.