Disclosed is a display device including a cover plate, a display panel, a first circuit board, and a rear housing, wherein the cover plate is connected to the rear housing to form an accommodation space, the display panel is assembled with the first circuit board and is disposed in the accommodation space, and the first circuit board includes a first extension portion and a second extension portion, wherein the first extension portion and the second extension portion are connected, the first extension portion extends in a first direction and is attached to the display panel, and the second extension portion extends in a second direction and is attached to the display panel, the first direction being intersected with the second direction.

Disclosed is a display device including a cover plate, a display panel, a first circuit board, and a rear housing, wherein the cover plate is connected to the rear housing to form an accommodation space, the display panel is assembled with the first circuit board and is disposed in the accommodation space, and the first circuit board includes a first extension portion and a second extension portion, wherein the first extension portion and the second extension portion are connected, the first extension portion extends in a first direction and is attached to the display panel, and the second extension portion extends in a second direction and is attached to the display panel, the first direction being intersected with the second direction.

The invention provides a display device, which includes a display panel and at least one optical device. The display panel has a display region and a display surface. The at least one optical device is overlapped with the display panel. The optical device has a low-reflectivity sealant pattern. An angle of 45 degrees is included between the display surface of the display panel and a connecting line of a side edge of the display region and the low-reflectivity sealant pattern. An inner edge of the low-reflectivity sealant pattern and the display region are located on the same side of the connecting line. The display device of the invention has good light emitting uniformity at different viewing angles.

The invention provides a display device, which includes a display panel and at least one optical device. The display panel has a display region and a display surface. The at least one optical device is overlapped with the display panel. The optical device has a low-reflectivity sealant pattern. An angle of 45 degrees is included between the display surface of the display panel and a connecting line of a side edge of the display region and the low-reflectivity sealant pattern. An inner edge of the low-reflectivity sealant pattern and the display region are located on the same side of the connecting line. The display device of the invention has good light emitting uniformity at different viewing angles.

Provided is a display apparatus, including: housing components, and a display screen and a circuit board disposed in the housing components, wherein the housing components include a middle frame, a front case and a rear case; the middle frame includes a frame body and a plate body, wherein the frame body includes a first frame and a second frame opposite to each other, and a third frame connected between the first frame and the second frame; the frame plate is disposed around a corresponding side of the plate body, and both the first frame and the second frame are provided with protruding parts protruding from a first side of the plate body; the rear case is fixed between the two protruding parts and connected to the first side of the plate body; the display screen is disposed in the frame body and fixed on the plate body.

Improved electrophoretic media including a first particle of a first polarity and three particles of the opposite polarity, wherein the first particle and optionally one of the particles of the opposite polarity undergo a diminution of electrophoretic mobility with increased electric field. Such electrophoretic media enable full-color displays with very fast updates between white and black pixels.

Improved electrophoretic media including a first particle of a first polarity and three particles of the opposite polarity, wherein the first particle and optionally one of the particles of the opposite polarity undergo a diminution of electrophoretic mobility with increased electric field. Such electrophoretic media enable full-color displays with very fast updates between white and black pixels.

Disclosed are an electronic signboard and a wall hanging device. The electronic signboard includes a display device and a wall hanging device. The display device is provided with a first fitting portion, and the wall hanging device is provided with a second fitting portion detachably connected to the first fitting portion. The wall hanging device is further provided a fixing surface via which the wall hanging device is fixed to a mounting base.

Disclosed are an electronic signboard and a wall hanging device. The electronic signboard includes a display device and a wall hanging device. The display device is provided with a first fitting portion, and the wall hanging device is provided with a second fitting portion detachably connected to the first fitting portion. The wall hanging device is further provided a fixing surface via which the wall hanging device is fixed to a mounting base.

A digital sign including both a light-emitting diode display and a display screen contained within a housing unit. A control module is provided to control the light-emitting diode display and the display screen; and a power source is provided to provide power to the light-emitting diode display, the display screen and the control module. A cover plate is securable to the housing unit to contain the light-emitting diode display, the display screen, the control module, and the power source. The light-emitting diode display and the display screen are visible from outside of the housing unit and the control module and the power source are not visible from outside the housing unit.