40results about How to "Realize anti-peeping function" patented technology

This invention is kind of method of dynamic password input and keyboard, can be used in the area of computer environment equipment. The method is: in the condition that when system asks for inputting the password and when system is asking for inputting the password, after a number inputted by the user, dynamically inputs the ten number of the keyboard, makes another random arrangement. It avoids the relation between the movement of the user's hands when inputs password and the password, thus avoids leaking of the password effectively. The keyboard includes: LCD, touch screen, drive chip, singlechip, debugging circuit, level transferring chip. The touch screen covers the LCD, links with drive chip by data line; the driver chip of the touch screen links with a bunch of singlechip, the singlechip links with level transferring chip with bunch, the TTL level signal outputted by singlechip conveys to LCD one way to screen after dealing by level transferring chip, the other way does data switching with hoet computer.

The invention discloses a peep-proof display device which comprises a display layer and a liquid crystal grating layer, wherein the liquid crystal grating layer is arranged on one side of the display layer; the resolution of the liquid crystal grating layer is equal to that of the display layer; the liquid crystal grating layer comprises two layers of glass substrates and a liquid crystal layer; the two layers of glass substrates are oppositely arranged in a spacing manner; the liquid crystal layer is clamped between the two layers of glass substrates; by adjustment of the liquid crystal layer, multiple gratings of the liquid crystal grating layer can be controlled to be converted between black and white, so that the peep prevention function of the peep-proof display device can be controlled. According to the peep-proof display device provided by the invention, the liquid crystal grating layer is arranged on one side of the display layer, namely the peep prevention function of the display device can be realized by only additionally arranging the liquid crystal grating layer which is a device structure on the existing structure; furthermore, the device is simple in structure and thinner, and the cost increase is relatively low.

The invention discloses a glass-free three dimensional display apparatus and a control method of the same. The glass-free three dimensional display apparatus includes a display panel, a liquid crystal grating, a processor and an image collector, wherein the display panel is used for outputting frames; the liquid crystal grating is arranged between the display panel and a viewer for separating the visual frames of double eyes of the viewer; the image collector is used for acquiring the first current viewed information and the second current viewed information, and sending the first current viewed information and the second current viewed information to the processor; and the processor is used for adjusting the width and / or position of the light transmission area of the liquid crystal grating according to the first current viewed information, and adjusting the output frame of the display panel according to the second current viewed information and the adjusted width and / or position of the light transmission area of the liquid crystal grating. The glass-free three dimensional display apparatus realizes that crosstalk does not occur in the 3D image viewed by the viewer when the position of the viewer is changed, and can realize the anti-peeping function at the same time.

The invention discloses a functional home textile product and a spinning process thereof, in particular a double-face isomeric single-layer curtain textile capable of transmitting light, resisting ultraviolet rays and preventing snooping. A special organization structure and parameters are designed by utilizing the good optical properties of profiled cross sections and extinction polyester filament yarns, and different raw materials are covered on the front face and the back face of the textile respectively in the forms of coils and drawn tows so as to ensure that the front face and the back face of the curtain obtain optical property differences; and then different structural characteristics are combined so as to finally have the effects of achieve the functions of indoor normal lighting, ultraviolet rays resistance and user privacy protection.

The invention relates to a display module which comprises a backlight module, a display panel, a peep preventing layer and a light ray conversion layer. The peep preventing layer and the light ray conversion layer are arranged between the backlight module and the display panel and sequentially arranged in the light emitting direction of the backlight module; the light ray conversion layer has a transparent optical state and a fogging surface optical state; the spreading direction of light rays from the peep preventing layer cannot be changed when the light ray conversion layer is in the transparent state; the light rays from the peep preventing layer can be spread to all the directions when the light ray conversion layer is in the fogging surface state. The display module can be switched between a visual share function and a peep preventing function and can meet the using needs of a user in different scenes. The invention further relates to a display device.

The invention discloses a display structure, a display method and an electronic device. The display structure comprises a screen and a film body; the screen is used for projecting a first light generated itself to the film body at a first angle; the first angle is within the preset threshold value of incident angle; the film body is used for receiving the first light emitted at the first angle andprojecting a second light at a second angle; the amount of light of the second light is the same as that of the first light, and the first angle is different from the second angle.

The invention discloses an optical module and a display device. The optical module comprises a light guide plate, a refraction substrate and at least one luminous element, the light guide plate is provided with a first in-light face, an out-light face and at least one second in-light face, the first in-light face and the out-light face are opposite, the second in-light faces are arranged between the first in-light face and the out-light face, the second in-light faces are correspondingly provided with the luminous elements, and the refraction substrate is opposite to the out-light face. The luminous elements selectively face the second in-light faces corresponding to the luminous elements and emit first light rays, moreover, and the light guide plate can reflect the first light rays which at least partly irradiate the second in-light faces of the light guide plate, so that the first light rays emit from the light guide plate and enter the refraction substrate, wherein the refractive index of the refraction substrate is larger than or equal to that of the light guide plate. By means of the optical module, switching between a peep-proof mode and a normal mode can be achieved, and the peep-proof effect is improved.

A light guide plate, a method of fabricating a light guide plate, a backlight module and a display device are disclosed. The light guide plate includes a light guide layer and a grating layer. The light guide layer includes a light incident surface, a light exit surface, and a bottom surface opposite to the light exit surface. The grating layer is disposed on a side of the light guide layer with the light exit surface being on the side and including a plurality of grating strips. The bottom surface is provided with a plurality of optical dots. The plurality of optical dots are configured to deflect light rays from the light incident surface toward the grating strips. The plurality of grating strips are configured to deflect light rays emitted from the light exit surface toward a normal line of the light exit surface.

The invention relates to a display module which comprises a backlight module and a display module body.The display module further comprises a light ray conversion module located between the backlight module and the display module body.The light ray conversion module comprises a first transparent conductive membrane, a second transparent conductive membrane and a peep-prevention structure.The first transparent conductive membrane is attached to the backlight module.The second transparent conductive membrane is attached to the display module body.The peed-prevention structure is arranged between the first transparent conductive membrane and the second transparent conductive membrane and fixed on the first transparent conductive membrane, and is perpendicular to the backlight module.The light ray conversion module further comprises liquid crystals, wherein the part between the first transparent conductive membrane and the second transparent conductive membrane is filled with the liquid crystals.The display module can be converted between the visual sharing function and the peep-prevention function and is small in thickness.The invention further relates to a convertible peep-prevention displayer.

The invention discloses a peep-proof display device. According to one embodiment of the invention, the device comprises a display screen; a diffusion film which is disposed at a display side of the display screen; and an adjustment apparatus which is used for enabling the diffusion film and / or display screen to move in a direction intersected with the plane of the display screen, so as to enable the relative distance between the diffusion film and the display screen to change. According to the embodiment of the invention, the device achieves a peep-proof function under the condition that the display brightness of a vertical view angle is not affected, and facilitates the reduction of the power consumption.

The invention discloses a display device and a display method, which belong to the field of display technology. The display device includes: a display panel and a grating structure. The display panel includes: a pixel layer including alternately arranged first pixel groups and second pixel groups; the grating structure includes: alternately arranged opening regions and light-shielding regions. Wherein, the orthographic projection of the opening area on the display panel is located in the first pixel group, and the orthographic projection of the light-shielding area on the display panel covers the second pixel group. When the display device is in the anti-peeping display mode, a plurality of first pixel groups display a target image, and a plurality of second pixel groups display an interference image different from the target image; when the display device is in a shared display mode, a plurality of first pixel groups display The target image is displayed, and the plurality of second pixel groups display the same shared image as the target image. The display mode of the display device is effectively enriched.