Abstract: An OLED display panel and a display device are provided. An image sensor is added below OLED light-emitting devices, a light shielding layer including at least one pinhole imaging region is added between the image sensor and the OLED light emitting device, with the pinhole imaging region corresponding to a gap position between the OLED light-emitting devices in the light shielding layer and staggered from light shielding parts in a signal routing and a control device, an object located above the OLED display panel is imaged on the image sensor.

Abstract: A foldable display device includes a flexible display screen and a support back plate fitted to the flexible display screen. The support back plate includes a first support plate and a second support plate that is articulated with the first support plate by a double-shaft articulated mechanism. The double-shaft articulated mechanism includes a first rotation shaft pivotally coupled to the first support plate, a second rotation shaft pivotally coupled to the second support plate and a tension releasing mechanism provided between the first rotation shaft and the second rotation shaft.

Abstract: A flexible display device is disclosed. The flexible display device includes a flexible display screen, the flexible display device further includes a supporting structure configured for supporting the flexible display screen, and the flexible display screen is fixedly connected with the supporting structure and fixed on a supporting surface of the supporting structure. The supporting surface of the supporting structure is allowed to be selectively transformed into a planar surface or a curved surface. With the flexible display device, touch control and click operations performed on the flexible display screen may be facilitated, and thus application field of the flexible display screen may be expanded.

Abstract: A flexible display device is disclosed. The flexible display device includes a flexible display screen and at least two supporting plates configured to fix the flexible display screen, wherein one supporting plate of the at least two supporting plates is rotatable relative to the other supporting plate until they are overlap each other, and the flexible display device further comprises: a guide component disposed between the two supporting plates and configured to prevent a bending portion of the flexible display from being squeezed by the two adjacent supporting plates. When the flexible display is folded, the bending portion thereof can be held in a space supported by the guide component and the two supporting plates, thereby preventing the problem of wrinkles of the flexible display screen and extending the life time.

Abstract: A foldable display device includes a flexible display screen and a support back plate fitted to the flexible display screen. The support back plate includes a first support plate and a second support plate that is articulated with the first support plate by a double-shaft articulated mechanism. The double-shaft articulated mechanism includes a first rotation shaft pivotally coupled to the first support plate, a second rotation shaft pivotally coupled to the second support plate and a tension releasing mechanism provided between the first rotation shaft and the second rotation shaft.

Abstract: A writing device for electronic paper includes an array substrate, a master control module, an input module electrically connected with the master control module, and an array substrate driving module electrically connected with the master control module, the array substrate is electrically connected with the array substrate driving module, an upper surface of the array substrate is configured to be electrically connected with electronic paper to be written, the input module is configured to input operation instructions to the master control module, the master control module is configured to control the array substrate driving module to drive the array substrate for performing writing operations according to the operation instructions. An embodiment of the present invention further provides an electronic paper tag system including the electronic paper writing device.

Abstract: A flexible display device is disclosed. The flexible display device includes a flexible display screen, the flexible display device further includes a supporting structure configured for supporting the flexible display screen, and the flexible display screen is fixedly connected with the supporting structure and fixed on a supporting surface of the supporting structure. The supporting surface of the supporting structure is allowed to be selectively transformed into a planar surface or a curved surface. With the flexible display device, touch control and click operations performed on the flexible display screen may be facilitated, and thus application field of the flexible display screen may be expanded.

Abstract: The invention provides an optical path adjusting unit and a display device. The optical path adjusting unit, for adjusting light rays from different directions to transmit in approximately the same direction, comprises a light converging part, a reflective part and a light scattering part. The light converging part and the light scattering part form a hollow space, and the reflective part is disposed within the hollow space and connected to the middle of the light converging part and the middle of the light scattering part to divide the hollow space into two parts. The light converging part is used to converge the light rays from different directions; the reflective part is used to reflect the converged light rays onto the light scattering part, and the light scattering part is used to transmit the light rays reflected thereon by the reflective part out in approximately the same direction.

Abstract: A display panel and a manufacturing method thereof and a display device are disclosed. The display panel includes a light emitting layer and a light filter pattern corresponding to the light emitting layers. The light filter pattern is arranged on the corresponding light emitting layer, the light filter pattern has a specific transmission spectrum; the light filter pattern is configured for filtering out the light corresponding to a spectrum outside the specific transmission spectrum and transmitting the light corresponding to the specific transmission spectrum. The display panel can have a decreased reflectivity of the ambient light and an increased contrast ratio.

Abstract: A flexible display device is disclosed. The flexible display device includes a flexible display screen and at least two supporting plates configured to fix the flexible display screen, wherein one supporting plate of the at least two supporting plates is rotatable relative to the other supporting plate until they are overlap each other, and the flexible display device further comprises: a guide component disposed between the two supporting plates and configured to prevent a bending portion of the flexible display from being squeezed by the two adjacent supporting plates. When the flexible display is folded, the bending portion thereof can be held in a space supported by the guide component and the two supporting plates, thereby preventing the problem of wrinkles of the flexible display screen and extending the life time.

Abstract: A direct backlight module and LCD device are provided. The direct backlight module includes a back plate, a backlight source mounted on the back plate, and a plurality of double lens structures mounted on the back plate and over the backlight source, the backlight source includes a plurality of LED bars, wherein the double lens structures are axisymmetrical and correspond to the LED bars, respectively, and each of the double lens structure has an axis coincides with that of the corresponding LED bar. The backlight module according to the embodiments of the present invention can improve the light efficiency of the backlight module and reduce the number of the LEDs used, and a slim design for backlight module is obtained.

Abstract: A dual-mode liquid crystal display device, a color filter substrate and an array substrate are provided. The display device comprises: a color filter substrate, an array substrate assembled with the color filter substrate, and a liquid crystal layer between the color filter substrate and the array substrate. The pixel area of the array substrate comprises red, green, blue and white sub-pixels; and the color filter substrate or the array substrate is provided with a fluorescent layer at the position corresponding to the white sub-pixels.

Abstract: The invention provides an optical path adjusting unit and a display device. The optical path adjusting unit, for adjusting light rays from different directions to transmit in approximately the same direction, comprises a light converging part, a reflective part and a light scattering part. The light converging part and the light scattering part form a hollow space, and the reflective part is disposed within the hollow space and connected to the middle of the light converging part and the middle of the light scattering part to divide the hollow space into two parts. The light converging part is used to converge the light rays from different directions; the reflective part is used to reflect the converged light rays onto the light scattering part, and the light scattering part is used to transmit the light rays reflected thereon by the reflective part out in approximately the same direction.

Abstract: A dual-mode liquid crystal display device, a color filter substrate and an array substrate are provided. The display device comprises: a color filter substrate (10), an array substrate (20) assembled with the color filter substrate (10), and a liquid crystal layer (30) between the color filter substrate (10) and the array substrate (20). The pixel area of the array substrate (20) comprises red, green, blue and white sub-pixels; and the color filter substrate (10) or the array substrate (20) is provided with a fluorescent layer at the position corresponding to the white sub-pixels.

Abstract: A direct backlight module and LCD device are provided. The direct backlight module includes a back plate, a backlight source mounted on the back plate, and a plurality of double lens structures mounted on the back plate and over the backlight source, the backlight source includes a plurality of LED bars, wherein the double lens structures are axisymmetrical and correspond to the LED bars, respectively, and each of the double lens structure has an axis coincides with that of the corresponding LED bar. The backlight module according to the embodiments of the present invention can improve the light efficiency of the backlight module and reduce the number of the LEDs used, and a slim design for backlight module is obtained.

Abstract: A dual-mode liquid crystal display device, a color filter substrate and an array substrate are provided. The display device comprises: a color filter substrate (10), an array substrate (20) assembled with the color filter substrate (10), and a liquid crystal layer (30) between the color filter substrate (10) and the array substrate (20). The pixel area of the array substrate (20) comprises red, green, blue and white sub-pixels; and the color filter substrate (10) or the array substrate (20) is provided with a fluorescent layer at the position corresponding to the white sub-pixels.

Abstract: A writing device for electronic paper includes an array substrate, a master control module, an input module electrically connected with the master control module, and an array substrate driving module electrically connected with the master control module, the array substrate is electrically connected with the array substrate driving module, an upper surface of the array substrate is configured to be electrically connected with electronic paper to be written, the input module is configured to input operation instructions to the master control module, the master control module is configured to control the array substrate driving module to drive the array substrate for performing writing operations according to the operation instructions. An embodiment of the present invention further provides an electronic paper tag system including the electronic paper writing device.