CN213092081U

CN213092081U - High contrast display screen mechanism

Info

Publication number: CN213092081U
Application number: CN202021364933.6U
Authority: CN
Inventors: 徐志栋
Original assignee: Suzhou Nine Chun Electronic Technology Ltd
Current assignee: Suzhou Nine Chun Electronic Technology Ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-04-30
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a display screen mechanism of high contrast, including display module and PNLC layer, display module is including first polaroid, transparent LCD layer and the second polaroid of range upon range of setting along the direction of visualing, PNLC layer with the second polaroid is just setting up and being located and keeping away from one side on transparent LCD layer, display module with PNLC layer all is the transparence when not adding the electricity, display module is used for showing the figure when adding the electricity, PNLC layer is vaporific with right when adding the electricity the figure that display module shows carries out the diffuse reflection. The utility model discloses at least, include following advantage: the high contrast of a display graph and a background is realized by utilizing the matching of the working states of the LCD layer and the PNLC layer after the power is switched on and off, and the display definition is ensured.

Description

High contrast display screen mechanism

Technical Field

The utility model relates to a display screen technical field, specific is a display screen mechanism of high contrast.

Background

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

The display screen is a display tool which displays a certain electronic signal on the screen through a specific transmission device and reflects the electronic signal to human eyes, and the application field of the display screen is very wide, such as a touch screen and an industrial control screen in industry; television display screens, alarm clock screens, etc. in daily life. The alarm clock is taken as an example, the alarm clock is an essential tool and ornament in daily life as a timing and time display tool, but the display form of the existing electronic alarm clock is basically reflective display, and a partially transparent display form is also adopted, but the contrast of the display is low, so that the defects of unclear display, difficult visual observation and low accuracy are caused.

It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention, and is set forth for facilitating understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present invention.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the embodiment of the utility model provides a display screen mechanism of high contrast, its cooperation that utilizes the operating condition behind the break-make electricity on LCD layer and PNLC layer realizes showing the high contrast of figure and background, guarantees the definition that shows.

The embodiment of the application discloses: the utility model provides a display screen mechanism of high contrast, includes display module and PNLC layer, the display module is along the first polaroid, transparent LCD layer and the second polaroid of visual direction including range upon range of setting, the PNLC layer with the second polaroid is just setting up and being located keep away from one side on transparent LCD layer, the display module with the PNLC layer all is transparent form when not adding electricity, the display module is used for showing the figure when adding electricity, the PNLC layer is vaporific in order to right when adding electricity the figure that the display module shows carries out the diffuse reflection.

Further, the transparent LCD layer includes a transparent LCD screen of a transmissive positive mode.

Further, the liquid crystal twist angle in the transparent LCD panel of the transmissive positive mode is 90 °.

Further, the transmission optical axes of the first polarizer and the second polarizer are orthogonal.

Furthermore, a first glass base layer is arranged between the first polarizer and the transparent LCD layer, and a second glass base layer is arranged between the transparent LCD layer and the second polarizer.

Further, the polarizing axis of the first polarizer is perpendicular or orthogonal to the alignment direction of the first glass substrate, and the polarizing axis of the second polarizer is perpendicular or orthogonal to the alignment direction of the second glass substrate.

Furthermore, the display component and the PNLC layer adopt a connection mode of synchronous power-on and synchronous power-off, the working current of the display component and the PNLC layer when the display component and the PNLC layer are powered on is between 0.5 and 0.6mA, and the pressure maintaining current of the display component and the PNLC layer when the display component and the PNLC layer are powered off is between 0.01 and 0.02 mA.

Further, the display component and the PNLC layer have light transmittance of 0.5-1% when electrified and 55-65% when the PNLC layer is not electrified.

Further, one side of the first polarizer, which is far away from the transparent LCD layer, is provided with an ultraviolet resistant coating, and the ultraviolet resistant coating prevents the transmittance of ultraviolet rays from being 96-97%.

Borrow by above technical scheme, the beneficial effects of the utility model are as follows: through the arranged display component and the PNLC layer, the first polarizer, the transparent LCD layer, the second polarizer and the PNLC layer are all transparent in an unpowered state, so that the integral electronic alarm clock can be regarded as a transparent glass block, the simple attractiveness of a household product is met, and more artistry is added to the life of a consumer; when a consumer triggers any one of the function buttons on the electronic alarm clock, the display assembly and the PNLC layer are powered on simultaneously, at the moment, the display assembly displays figures corresponding to the transparent LCD layer and the reverse direction, such as a digital figure for representing time, a lion figure for representing date and the like, and meanwhile, the PNLC layer is foggy so as to form better contrast with the figures displayed by the display assembly, so that the consumer can easily acquire clearer image information.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an overall device in an embodiment of the present invention.

Reference numerals of the above figures: 1. a PNLC layer; 2. a first polarizer; 3. a transparent LCD layer; 4. a second polarizer; 5. a first glass substrate layer; 6. a second glass substrate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no order is shown between the two, and no indication or suggestion of relative importance is understood. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1, the present embodiment discloses a high-contrast display screen mechanism including a display module and a PNLC layer 1. The high contrast display screen mechanism in this application can be the electronic alarm clock in daily life for example, utilizes display element and PNLC layer 1's the cooperation of the operating condition behind the break-make electricity, realizes showing the high contrast of figure and background, guarantees the clarity that shows.

In this embodiment, the display module includes a first polarizer 2, a transparent LCD layer 3, and a second polarizer 4 stacked in a visual direction (from top to bottom in fig. 1). Wherein the transparent LCD layer 3 comprises a transparent LCD screen of a transmissive positive mode, preferably with a liquid crystal twist angle of 90 ° inside the transparent LCD screen of the transmissive positive mode. The PNLC layer 1 and the second polarizer 4 are arranged opposite to each other and are positioned on one side far away from the transparent LCD layer 3.

In the above arrangement, since the first polarizer 2, the transparent LCD layer 3, the second polarizer 4 and the PNLC layer 1 are all transparent in the unpowered state, the whole electronic alarm clock can be regarded as a transparent glass block, so as to satisfy the simple and beautiful appearance of the household product, and add more artistry to the life of the consumer.

In this embodiment, the transmission optical axes of the first polarizer 2 and the second polarizer 4 are orthogonal to each other. Wherein, be provided with first glass basic unit 5 between first polaroid 2 and transparent LCD layer 3, be provided with second glass basic unit 6 between transparent LCD layer 3 and second polaroid 4.

In one of the above embodiments, the polarizing axis of the first polarizer 2 is perpendicular to the alignment direction of the first glass substrate, and the polarizing axis of the second polarizer 4 is perpendicular to the alignment direction of the second glass substrate. In another embodiment, the polarizing axis of the first polarizer 2 is orthogonal to the alignment direction of the first glass substrate, and the polarizing axis of the second polarizer 4 is orthogonal to the alignment direction of the second glass substrate.

In this embodiment, the display module and the PNLC layer 1 are connected by a synchronous power-on and power-off connection method. Specifically, when a consumer triggers any one of the function buttons on the electronic alarm clock, the display assembly and the PNLC layer 1 are powered on simultaneously. At this time, the display unit displays, for example, a numeric figure for indicating time, a lion figure for indicating date, and the like through the transparent LCD layer 3 and a figure corresponding to the reverse movement. Meanwhile, the PNLC layer 1 is foggy to diffuse the graphics displayed by the display assembly, so that a better contrast can be formed with the graphics displayed by the display assembly, and consumers can easily acquire clearer image information.

In the above embodiment, the working current when the display device and the PNLC layer 1 are powered on is between 0.5 and 0.6mA, and the dwelling current when the display device and the PNLC layer 1 are powered off is between 0.01 and 0.02 mA. Specifically, after the display component and the PNLC layer 1 normally work for a preset time, the electronic alarm clock is maintained to work in the form of a holding current after power is lost. By the arrangement mode, the consumption rate of the electric quantity of the electronic alarm clock can be effectively saved, and the replacement period of the battery is prolonged.

In the above embodiment, the display module and the PNLC layer 1 have a light transmittance of 0.5 to 1% when energized, and the display module and the PNLC layer 1 have a light transmittance of 55 to 65% when de-energized.

In this embodiment, the side of the first polarizer 2 away from the transparent LCD layer 3 is provided with an anti-uv coating, and the anti-uv coating prevents the transmittance of uv rays from being 96-97%. The setting mode can further increase the function richness of the electronic alarm clock.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a display screen mechanism of high contrast, its characterized in that, includes display module and PNLC layer, display module is along the first polaroid, transparent LCD layer and the second polaroid of range upon range of setting of visual direction, the PNLC layer with the second polaroid is just setting up and being located and keeping away from one side of transparent LCD layer, display module with the PNLC layer all is the transparence when not adding electricity, display module is used for displaying the figure when adding electricity, the PNLC layer is vaporific in order to right when adding electricity the figure that display module shows carries out the diffuse reflection.

2. The high contrast display screen mechanism of claim 1, wherein the transparent LCD layer comprises a transmissive positive mode transparent LCD screen.

3. The high contrast display screen mechanism of claim 2, wherein the liquid crystal twist angle in the transmissive positive mode transparent LCD screen is 90 °.

4. The high contrast display screen mechanism of claim 1, wherein the transmission optical axes of the first polarizer and the second polarizer are orthogonal.

5. The high contrast display screen mechanism of claim 1, wherein a first glass substrate layer is disposed between the first polarizer and the transparent LCD layer, and a second glass substrate layer is disposed between the transparent LCD layer and the second polarizer.

6. The high contrast display screen mechanism of claim 5, wherein the polarizing axis of the first polarizer is perpendicular or orthogonal to the alignment direction of the first glass substrate layer and the polarizing axis of the second polarizer is perpendicular or orthogonal to the alignment direction of the second glass substrate layer.

7. The high contrast display screen mechanism of claim 1, wherein said display element and said PNLC layer are connected in a synchronous power-on and synchronous power-off manner, and the working current of said display element and said PNLC layer when powered on is between 0.5-0.6mA, and the holding current of said display element and said PNLC layer when powered off is between 0.01-0.02 mA.

8. The high contrast display screen mechanism of claim 1, wherein the display element and the PNLC layer have a light transmittance of between 0.5-1% when energized and between 55-65% when de-energized.

9. The high contrast display screen mechanism of claim 1, wherein a side of the first polarizer remote from the transparent LCD layer is provided with an ultraviolet blocking coating, the ultraviolet blocking coating blocking transmission of ultraviolet light between 96-97%.