CN108154803B - Display device and display equipment - Google Patents

Abstract

The present invention provides a display device and a display device. The display device includes a display panel and an adjustment device, the display panel includes a first display area and a second display area, the first display area and the second display area can display different images, the adjustment device, setting On the light emitting surface of the display panel, it is used to adjust the transmission direction of the outgoing light from the first display area and the second display area respectively, so as to make the transmission direction of the outgoing light from the first display area The transmission direction of the outgoing light far from the second display area. The device based on the adjustment device makes the transmission direction of the outgoing light in the first display area far away from the transmission direction of the outgoing light in the second display area, thereby effectively reducing the degree of overlap of the outgoing light in the two display areas on the display panel, reducing the The overlapping area of the two observation areas ensures the observation effect of the two observation areas.

Description

A display device and display device

technical field

The present invention relates to the field of display technology, in particular to a display device and a display device.

Background technique

The display panel is one of the important components of the display device and is used to display images. A display panel in the prior art can be divided into multiple display areas, and different images are displayed in different display areas.

A display panel with two display areas is often used in conjunction with a concave mirror, and the concave mirror is placed on the light-emitting surface side of the display panel, so that the observer can view different and enlarged images in the two observation areas.

However, under the above structure, the light emitted from the two display areas of the display panel will be seriously mixed, resulting in serious overlap of the two observation areas and serious overlap of the two images in the two observation areas. A clear image cannot be seen when the area overlaps.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a display device that can effectively reduce the mixing degree of the light emitted from the two display areas on the display panel, reduce the overlapping area of the two observation areas, and ensure the observation effect of the two observation areas.

In one aspect, a display device is provided, including a display panel and an adjustment device;

The display panel includes a first display area and a second display area, and the first display area and the second display area can display different images;

The adjusting device is arranged on the light emitting surface of the display panel, and is used to adjust the transmission directions of the light emitted from the first display area and the second display area respectively, so that the first display area The transmission direction of the outgoing light is far from the transmission direction of the outgoing light in the second display area.

Further, the adjusting device includes a first triangular prism and a second triangular prism;

The first triangular prism is placed on the first display area, and the second triangular prism is placed on the second display area, wherein the first triangular prism is opposite to the first display area The outgoing light from the first display area is refracted, and the second triangular prism refracts the outgoing light in the second display area, so that the outgoing light in the first display area is far away from the outgoing light in the second display area.

Further, the first triangular prism and the second triangular prism are both right-angled triangular prisms, the first right-angled side walls of the two right-angled triangular prisms are respectively in contact with the light-emitting surface of the display panel, and the two The second right-angled sidewalls of the right-angled triangular prism meet at the boundary between the first display area and the second display area.

Further, a light shielding sheet is also arranged between the second right-angle side walls of the two right-angle triangular prisms.

Further, the adjusting device includes a liquid crystal assembly and a control module; the liquid crystal assembly covers the first display area and the second display area;

The liquid crystal assembly includes a stacked first electrode, a liquid crystal layer and a second electrode, and the first electrode is disposed close to the display panel;

The control module is respectively coupled to the first electrode and the second electrode, and is used to transmit a control voltage to the first electrode and the second electrode respectively, so as to make the liquid crystal particles in the liquid crystal layer long axis deflection, a third triangular prism is formed on the first display area, and a fourth triangular prism is formed on the second display area, wherein the third triangular prism has a negative impact on the first display area. The outgoing light from the second display area is refracted by the fourth triangular prism, so that the outgoing light from the first display area is far away from the outgoing light from the second display area.

Further, the control module is configured to control the voltage on the first electrode from the boundary position of the first display area and the second display area to the first display area and the second display area respectively. Region gradient decreases.

Further, a light shielding sheet is arranged in the liquid crystal layer at the junction of the first display area and the second display area;

The light shielding sheet is used for separating and shielding a part of the liquid crystal layer on the first display area from another part of the liquid crystal layer on the second display area.

Further, the display device also includes a backlight module;

The light emitting angle of the backlight module is smaller than the preset angle.

In another aspect, a display device is also provided, including the above-mentioned display device.

Further, the display device further includes a concave mirror; the concave mirror is arranged on one side of the light-emitting surface of the display device, and the distance between the center position of the concave mirror and the center position of the display panel in the display device larger than the preset spacing.

Compared with the prior art, the present invention includes the following advantages:

Embodiments of the present invention provide a display device and a display device. The display device provided by the embodiment of the present invention includes a display panel and an adjustment device. The display panel includes a display panel capable of displaying different images and an adjustment device. The adjustment is based on the equipment of the adjustment device, so that the transmission direction of the outgoing light in the first display area is far from the transmission direction of the outgoing light in the second display area, thereby effectively reducing the overlapping degree of the outgoing light in the two display areas on the display panel, reducing The overlapping area of the two observation areas is reduced to ensure the observation effect of the two observation areas.

Description of drawings

1 is a schematic structural diagram of a display device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a display device provided by an embodiment of the present invention.

reference number

Display device 1 Display panel 11 Adjustment device 12

The first triangular prism 121 The second triangular prism 122 The first display area a

first display area b display device 2 concave mirror 3

First viewing area A Second viewing area B

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, unless otherwise stated, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred machine or element must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limitations of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

Embodiments of the present invention provide a display device, including a display panel and an adjustment device;

Wherein, the display panel includes a first display area and a second display area, and the first display area and the second display area can display different images;

The adjusting device is arranged on the light-emitting surface of the display panel, and is used to adjust the transmission direction of the outgoing light in the first display area and the second display area respectively, so that the transmission direction of the outgoing light in the first display area is away from the second display area. The transmission direction of the outgoing light from the area.

The equipment based on the adjustment device makes the transmission direction of the outgoing light in the first display area far away from the transmission direction of the outgoing light in the second display area, thereby effectively reducing the degree of overlap of the outgoing light in the two display areas on the display panel, reducing the two The overlapping area of the observation area ensures the observation effect of the two observation areas.

On the basis of realizing the above functions, the adjusting device can have various structures. For example, referring to FIG. 1 , the display device 1 includes a display panel 11 and an adjustment device 12 , the adjustment device 12 is disposed on the light emitting surface of the display panel 11 , and the adjustment device 12 includes a first triangular prism 121 and a second triangular prism 122 , the first triangular prism 121 is placed on the first display area a, and the second triangular prism 122 is placed on the second display area b. The first triangular prism 121 refracts the outgoing light from the first display area a, and the second triangular prism 122 refracts the outgoing light from the second display area b, so that the outgoing light from the first display area a is far away from the second display area Outgoing rays from zone b.

Based on the arrangement of the first triangular prism 121 and the second triangular prism 122, the overlapping degree of the outgoing light rays of the two display areas on the display panel can be effectively reduced, the overlapping area of the two observation areas can be reduced, and the two The observation effect of the observation area.

The triangular prism has the function of refracting the light and controlling the transmission direction of the light. By changing the size of the angle between the two adjacent mirror surfaces of the triangular prism, the direction of the triangular prism's refraction of the light can be changed. The specific structure and size of the triangular prism can be set according to the actual situation.

In specific implementation, the first triangular prism 121 and the second triangular prism 122 may both be right-angled triangular prisms, the first right-angled side walls of the two right-angled triangular prisms are respectively in contact with the light-emitting surface of the display panel, and the second The right-angled sidewalls meet at the boundary between the first display area and the second display area. The first triangular prism 121 on the left side of the display panel 11 adjusts the light emitted from the first display area a to be deflected to the left, and the second triangular prism 122 on the right side of the display panel 11 adjusts the second display area The outgoing light of b is deflected to the right, and the first triangular prism 121 and the second triangular prism 122 adjust the transmission direction of the outgoing light of the first display area a and the transmission direction of the outgoing light of the second display area b to be away from each other.

A light-shielding sheet 123 may also be arranged between the first triangular prism 121 and the second triangular prism 122 , and the light-shielding sheet 123 has a light-shielding function to prevent the outgoing light from the first display area a from entering the second triangular prism 122 , and prevent the outgoing light from the second display area b from entering the first triangular prism 121, thereby effectively preventing the outgoing light from the two display areas from mixing, and further reducing the overlap of the outgoing light from the two display areas on the display panel. .

The light-shielding sheet 123 has a light-shielding function, and the material of the light-shielding sheet 123 can be various, for example, black light-absorbing resin. The material type of the light shielding sheet 123 can be set according to actual conditions, which is not limited in this embodiment of the present invention.

The adjusting device provided by the embodiment of the present invention may further include a liquid crystal assembly and a control module, and the liquid crystal assembly covers the first display area and the second display area;

The liquid crystal assembly includes a stacked first electrode, a liquid crystal layer and a second electrode, and the first electrode is arranged close to the display panel;

The control module is respectively coupled to the first electrode and the second electrode, and is used to transmit control voltages to the first electrode and the second electrode respectively, so that the long axis of the liquid crystal particles in the liquid crystal layer is deflected, in the first display area A third triangular prism is formed thereon, and a fourth triangular prism is formed on the second display area, wherein the third triangular prism refracts the light emitted from the first display area, and the fourth The outgoing light is refracted, so that the outgoing light in the first display area is far away from the outgoing light in the second display area.

During specific implementation, the control module is configured to control the voltage on the first electrode to decrease gradiently from the boundary position of the first display area and the second display area to the first display area and the second display area, respectively. That is, the voltage applied by the liquid crystal particles on the first display area is linear, and the voltage applied by the liquid crystal particles on the second display area is linear, so that a triangular prism is formed on each display area. According to the actual setting of the voltage applied to the liquid crystal particles, a triangular prism with a desired shape and structure can be formed, and the light emitted from the display panel can be refracted at a desired angle.

Exemplarily, an ECB (Electrically Controlled Birefringence) mode can be used, the first electrode defining the liquid crystal component includes a plurality of strip electrodes distributed at intervals, the second electrode is a surface electrode, and the length direction of the strip electrodes is related to the upper polarized light of the display panel. The polarizing direction of the film is parallel or vertical. When no voltage is applied to the liquid crystal layer of the liquid crystal module, the long axis direction of the liquid crystal particles in the liquid crystal layer is parallel to the polarizing direction of the upper polarizer of the display panel; when the liquid crystal layer in the liquid crystal module is applied When the voltage is applied, the control module is used to control the voltage on the first electrode to decrease in gradient from the boundary position of the first display area and the second display area to the first display area and the second display area respectively, so that the applied voltage on the first display area is reduced. The first voltage has a linear relationship, so that the second voltage applied on the second display area has a linear relationship.

Similar to when the adjusting device is a triangular prism, in the liquid crystal assembly, a light shielding sheet may also be provided in the liquid crystal layer at the junction of the first display area and the second display area. Another part of the liquid crystal layer on the second display area is separated and shielded from light.

The display panels provided by the embodiments of the present invention may be of various types, such as liquid crystal display panels, organic light emitting diode display panels, and the like. Correspondingly, the display device may be a liquid crystal display device, an organic light emitting diode display device, or the like. The type of display panel and display device can be set according to the actual situation.

When the display device is a liquid crystal display device, the display device may further include a backlight module, and the backlight module is arranged on one side of the light incident surface of the display panel to provide a light source. The light-emitting angle of the backlight module can be smaller than the preset angle, and has a small-angle light-emitting function, so that the formed display panel has a small light-emitting angle, and the light-emitting light is more concentrated.

The backlight module may include a prism plate and a light guide plate, and the prism plate is arranged on one side of the light emitting surface of the light guide plate, so that the light emitting angle of the backlight module is smaller than a preset angle. In addition to the prism plate, the components used to reduce the light exit angle of the display panel may also be other components, which may be set according to actual conditions. The size of the preset angle may be set according to the actual situation, which is not limited in this embodiment of the present invention.

An embodiment of the present invention further provides a display device, including the above-mentioned display device. The display device has many advantages of the display device, which are not repeated in the embodiments of the present invention.

The display device may also include a concave mirror. As shown in FIG. 2 , the display device 2 includes a display device 1 and a concave mirror 3 . The concave mirror 3 is arranged on one side of the light-emitting surface of the display device 1 , and the center position of the concave mirror 3 is the same as the center of the display panel 11 in the display device 1 . The spacing d of the positions is greater than the preset spacing. The preset spacing may be set according to parameters such as the structure of the display device, the structure of the concave mirror, and the image display requirements, which are not limited in this embodiment of the present invention.

The outgoing light of the display device 1 is irradiated on the concave mirror 3, and the concave mirror 3 refracts and amplifies the outgoing light of the display device 1, so that the first image displayed in the first display area a of the display panel is imaged in the first observation area A , so that the second image displayed in the second display area b is imaged in the second observation area B.

Based on the setting of the adjustment device in the display device, the overlapping area of the first observation area A and the second observation area B is small or does not overlap, and the observer can observe the first observation area A and the second observation area B. clear image.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments may be referred to each other.

The display device and the display device provided by the present invention have been introduced in detail above, and the principles and implementations of the present invention are described with specific examples in this paper. At the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. To sum up, the content of this description should not be construed as a limitation to the present invention. .

Claims (7)

1. A display device, characterized in that the display device comprises a display device and a concave mirror, and the display device comprises a display panel and an adjustment device; The display panel includes a first display area and a second display area, and the first display area and the second display area can display different images; The adjusting device is arranged on the light emitting surface of the display panel, and is used to adjust the transmission directions of the light emitted from the first display area and the second display area respectively, so that the first display area The transmission direction of the outgoing light is far from the transmission direction of the outgoing light of the second display area; The adjusting device includes a first triangular prism and a second triangular prism; The first triangular prism is placed on the first display area, and the second triangular prism is placed on the second display area, wherein the first triangular prism is opposite to the first display area The outgoing light of the second display area is refracted by the second prism, so that the outgoing light of the first display area is far away from the outgoing light of the second display area; The concave mirror is arranged on one side of the light emitting surface of the display device, and the distance between the center position of the concave mirror and the center position of the display panel in the display device is greater than a preset distance. 2 . The display device according to claim 1 , wherein the first triangular prism and the second triangular prism are both right-angled triangular prisms, and the first right-angled side walls of the two right-angled triangular prisms are respectively 2 . In contact with the light-emitting surface of the display panel, the second right-angle sidewalls of the two right-angle triangular prisms are connected at the boundary between the first display area and the second display area. 3 . The display device according to claim 2 , wherein a light shielding sheet is further provided between the second right-angle side walls of the two right-angle triangular prisms. 4 . 4. The display device according to claim 1, wherein the adjusting device comprises a liquid crystal assembly and a control module; the liquid crystal assembly covers the first display area and the second display area; The liquid crystal assembly includes a stacked first electrode, a liquid crystal layer and a second electrode, and the first electrode is disposed close to the display panel; The control module is respectively coupled to the first electrode and the second electrode, and is used to transmit a control voltage to the first electrode and the second electrode respectively, so as to make the liquid crystal particles in the liquid crystal layer long axis deflection, a third triangular prism is formed on the first display area, and a fourth triangular prism is formed on the second display area, wherein the third triangular prism has a negative impact on the first display area. The outgoing light from the second display area is refracted by the fourth triangular prism, so that the outgoing light from the first display area is far away from the outgoing light from the second display area. 5. The display device according to claim 4, wherein, The control module is configured to control the voltage on the first electrode to decrease gradient from the boundary position of the first display area and the second display area to the first display area and the second display area respectively. Small. 6 . The display device according to claim 4 , wherein a light shielding sheet is arranged in the liquid crystal layer at the junction of the first display area and the second display area; 6 . The light shielding sheet is used for separating and shielding a part of the liquid crystal layer on the first display area from another part of the liquid crystal layer on the second display area. 7. The display device according to claim 1, wherein the display device further comprises a backlight module; The light emitting angle of the backlight module is smaller than the preset angle.

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