Boe Technology Group Co., Ltd.

Miki Kashima

Teruaki Suzuki

Jaegeon You

Guangkui Qin

Zhanfeng Cao

Feng Zhang

Shi Shu

Yafeng Yang

Xin Gu

Wei Xu

Xiaolong He

Yaohui Gu

Kiman Kim

The present disclosure relates to device, and operation method and manufacturing method thereof, wherein the device comprises a dichroic dye composite layer, a first liquid crystal display (LCD) composite layer, a wide waveband reflective composite layer and an organic light emitting diode (OLED) composite layer stacked in this order, wherein the dichroic dye composite layer is switchable between a black state and a transparent state, the liquid crystal display (LCD) composite layer is switchable between a display state, a transparent state and a dark state, the wide waveband reflective composite layer is switchable between a transparent state and a mirror state, and the organic light emitting diode (OLED) composite layer is switchable between a light-emitting state and a transparent state.

Device and operation method and manufacturing method thereof

Disclosed is an image quality improving film and a preparation method thereof, a display panel and a display device. The image quality improving film includes a scattering layer for covering a pixel region of a display layer to scatter a light coming from the display layer. By attaching the image quality improving film to image-displaying side of the display layer in the display panel and covering the pixel region of the display layer with the scattering layer, the scattering layer of the image quality improving film can scatter a light coming from the display layer, thereby increasing the viewing angle of the display panel.

Image quality improving film and preparation method thereof, display panel and display device

Disclosed is a transparent display device, comprising a transparent display panel comprising a plurality of display regions configured to display information and a plurality of light transmitting regions configured to achieve transparent display; and a unidirectional viewing glass located at a light incident side of the transparent display panel and disposed to be opposite to the transparent display panel. The unidirectional viewing glass comprises a glass plate and a coating film formed on a surface of the glass plate at a side thereof. The above transparent display device provides different display modes.

Transparent display device

The present disclosure provides a display panel separation pillar and a method for manufacturing the same, a display panel and a display device. The display panel separation pillar includes a first material pattern and a second material pattern on the first material pattern. The first material pattern includes an upper surface and a lower surface opposite to each other, and a first separation lateral side and a second separation lateral side which are opposite to each other and between the upper surface and the lower surface. The second material pattern includes an upper surface and a lower surface opposite to each other. The upper surface of the first material pattern directly contacts with the lower surface of the second material pattern. Projections of the first separation lateral side and the second separation lateral side of the first material pattern onto a plane of the lower surface of the second material pattern are between edges of the lower surface of the second material pattern.

Display panel separation pillar and method for manufacturing the same, display panel and display device

A liquid crystal display panel, a driving method and a fabrication method thereof, and a display device are disclosed. The liquid crystal display panel includes first and second substrates and a PDLC layer therebetween. The PDLC layer is formed by a positive liquid crystal and a polymer matrix, and the positive liquid crystal is initialized to be perpendicular to the substrates. The liquid crystal display panel further includes: a first transparent electrode unit, disposed on the first substrate and connected with a switch element; a second transparent electrode unit, disposed on the second substrate and connected with a first voltage; a third transparent electrode unit, disposed on the first and second substrates. The third transparent electrode unit includes a plurality of third transparent electrodes, each of which has a preset height and connected with a second voltage with a polarity opposite to that of the first voltage.

Liquid crystal display panel, driving method and fabrication method thereof, and display device

The present disclosure provides a display panel and a display device. The display panel includes a pixel unit including first and second sub-unit regions. Liquid crystal molecules in the liquid crystal layer corresponding to the first sub-unit region have a first initial alignment direction, and liquid crystal molecules in the liquid crystal layer corresponding to the second sub-unit region have a second initial alignment direction. The pixel unit further includes a third sub-unit region arranged between the first and second sub-unit regions. Liquid crystal molecules in the liquid crystal layer corresponding to the third sub-unit region have a third initial alignment direction, which is an alignment direction in a rotation from the first initial alignment direction towards the second initial alignment direction along a first rotation direction. An angle difference between the first and second initial alignment directions is greater than 0&#xb0; and less than or equal to 90&#xb0;.

Display panel and display device

An array substrate and a liquid crystal display device are provided. The array substrate () comprises a first substrate () and a switch element () disposed on an inner side of the first substrate (), and further comprises a polarizing light-emitting layer (), the polarizing light-emitting layer () has an EL mode. In the liquid crystal display device (), the polarizing light-emitting layer () with an EL mode is disposed in the array substrate (), therefore, no backlight is required and the power consumption of the liquid crystal display device () is further reduced.

Array substrate and liquid crystal display device

An embodiment of the present invention discloses a transparent display unit with improved transmittance. The transparent display unit comprises: an upper substrate comprising an upper transparent electrode and an upper alignment film in sequence from top to bottom; a lower substrate comprising a lower transparent electrode and a lower alignment film in sequence from bottom to top; and at least a colorful holographic polymer dispersed liquid crystal (H-PDLC) layer located between the upper substrate and the lower substrate.

Transparent display unit

The present invention discloses a transflective liquid crystal display panel and a liquid crystal display device comprising the same. Each pixel unit of the transflective liquid crystal display panel comprises a transmission region and a reflection region. The transflective liquid crystal display panel further comprises a conductive polarizing film layer having a first polarizing direction in the reflection region and a second polarizing direction in the transmission region.

Transflective liquid crystal display panel and display device

A polymer dispersed liquid crystal film comprises: a first substrate () and a second substrate () arranged opposing to each other; a first transparent conductive film () and a second transparent conductive film () arranged on opposing surfaces of the first substrate () and the second substrate (), respectively; and a polymer dispersed liquid crystal layer () located between the first transparent conductive film () and the second transparent conductive film (), wherein the polymer dispersed liquid crystal layer () comprises homogeneously dispersed bi-axis liquid crystal () and polymer (). When no voltage is applied between the first transparent conductive film () and the second transparent conductive film (), the bi-axis liquid crystal () exhibits a random arrangement, and the bi-axis liquid crystal () has perpendicular refractive index (n) and the parallel refractive index (n), wherein the perpendicular refractive index (n) and the parallel refractive index (n) are not equal to each other, and neither of them matches the refractive index of the polymer (n). A method of preparing a polymer dispersed liquid crystal film and a display apparatus comprising a polymer dispersed liquid crystal film are also disclosed.

Polymer dispersed liquid crystal film, method of preparing the same, and display apparatus comprising the same

A PDLC film structure, a manufacturing method and a controlling method thereof are provided. The PDLC film structure comprising: a first substrate and a second substrate disposed facing each other; and a PDLC layer filled between the first substrate and the second substrate. A transparent electrode is provided on a surface of the first substrate which faces the second substrate, and a plurality of control units are provided on a surface of the second substrate which faces the first substrate, each control unit comprising a first thin film field effect transistor and a first transparent electrode connected thereto, and a second thin film field effect transistor and a second transparent electrode connected thereto.

PDLC film structure, manufacturing method and controlling method thereof

There is provided a flexible transparent liquid crystal display () comprises a first flexible substrate () provided with a common electrode layer (); a second flexible substrate () provided with an array of pixel electrodes () and thin film field effect transistors (); wherein at least one bi-stable state polymer dispersed liquid crystal layer () is provided between the first flexible substrate () and the second flexible substrate (). There is also provided a method for preparing the same, which can increase the efficiency of the process for preparing the flexible transparent liquid crystal display.

Flexible transparent liquid crystal display and method for preparing same

The present invention provides a transparent display which comprises a light source; a first liquid crystal layer, for transmitting a first part of the light emitted from the light source and reflecting a second part of the light emitted from the light source; a light-transmittable image display device including a second liquid crystal layer, wherein the first part of the light is emitted to the second liquid crystal layer, when the image display device is in a first state, the first part of the light is transmitted through the second liquid crystal layer, and the image display device displays an image; when the image display device is in a second state, the first part of the light is reflected by the second liquid crystal layer, and the image display device becomes transparent. The transparent display according to the present invention can realize the function of a transparent display without use of a sheet polarizer or a light guide plate. Therefore, in comparison with the transparent display of the prior art, the transparent display according to the present invention has greatly-improved light transmittance.

Transparent display

There is provided a display device including a display panel and a background panel which are arranged opposite to each other, and a light source which is disposed on a side surface of the background panel. The background panel is in a transmissive state where no voltage is applied thereto, is in a light-scattering state where a direct-current (DC) voltage is applied thereto, and is in a transflective state where a high-frequency alternating-current (AC) voltage is applied thereto.

Display device

A liquid crystal panel and a display device are disclosed. In the liquid crystal panel, the first anisotropic optical layer comprises a first phase difference film and a second phase difference film, the second anisotropic optical layer comprises a liquid crystal film and a third phase difference film, wherein an orientation of liquid crystals in the liquid crystal film and an orientation of the liquid crystal layer are parallel to each other, a slow axis direction of the second phase difference film is vertical to the orientation of liquid crystals in the liquid crystal film.

Growing community of inventors

Beijing, China

Miki Kashima