CN109828396B - Liquid crystal glasses with image display function and control method thereof - Google Patents
Liquid crystal glasses with image display function and control method thereof Download PDFInfo
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- CN109828396B CN109828396B CN201910216594.2A CN201910216594A CN109828396B CN 109828396 B CN109828396 B CN 109828396B CN 201910216594 A CN201910216594 A CN 201910216594A CN 109828396 B CN109828396 B CN 109828396B
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Abstract
The invention discloses a pair of liquid crystal glasses with image display function and a control method thereof, wherein the liquid crystal glasses comprise: the LCG panel and the display panel are oppositely arranged; the control chip is used for sending the driving data of the display panel and the LCG panel; and the driving chip is arranged in the display panel and connected with the LCG panel and is used for driving the display panel to display images and driving the LCG panel to be equivalent to the zoom lens according to the driving data sent by the control chip. The invention can simultaneously realize the image display function of the display equipment and the vision correction function of the liquid crystal glasses at lower cost, so that people with vision defects can use the head-wearing image display function conveniently.
Description
Technical Field
The invention relates to the technical field of liquid crystal glasses, in particular to liquid crystal glasses with an image display function and a control method thereof.
Background
The head mounted display device may include an AR (Augmented Reality) display device and a VR (virtual Reality) display device. The AR head u can fuse the real background environment while displaying the virtual image information, and realize the organic combination of virtual and reality, so the AR head u is widely applied to various fields such as simulation training, electronic games, microtechnology, surgical operations and the like. The VR head display is a device which utilizes a head-mounted display device to seal the vision and the hearing of people to the outside and guide a user to generate the feeling of the user in a virtual environment. The display principle is that the left and right eye screens respectively display images of the left and right eyes, and the human eyes generate stereoscopic impression in the brain after acquiring the information with the difference.
For people with vision defects, such as myopia and hypermetropia, unnecessary troubles are generated when the head-mounted display device is used, and even the head-mounted display device cannot be used. For example, a user is a presbyopic patient and needs to wear a pair of vision correction glasses in daily life, and when the user wants to use a head-mounted display device, the user needs to take off the vision correction glasses and wear the head-mounted display device. The user needs to wear the two glasses alternately, which not only adds a lot of troubles, but also may further increase the myopic degree of the eye for a long time, which damages the eye health of the user.
In order to solve the above problems, there is a smart glasses including a first liquid crystal cell for displaying an image and a second liquid crystal cell for an equivalent zoom lens when the first liquid crystal cell does not display an image, which are mixedly arranged; when the first liquid crystal unit does not display images, all the second liquid crystal units are enabled to be equivalent to the zoom lens through the driving voltage to carry out vision correction, so that the liquid crystal display device is suitable for normal, near-sighted and far-sighted people.
However, the liquid crystal lens in the conventional smart glasses requires two kinds of liquid crystal cells to be arranged in a mixed manner, and has the following problems: firstly, the manufacturing cost is high; secondly, image display and vision correction cannot be performed simultaneously.
Disclosure of Invention
In view of the above, an object of the present invention is to provide liquid crystal glasses with an image display function and a control method thereof, which can simultaneously realize the image display function of a display device and the vision correction function of the liquid crystal glasses at a low cost, so as to facilitate users with vision defects to use the head-mounted image display function.
In view of the above object, the present invention provides liquid crystal glasses with an image display function, comprising:
the LCG panel and the display panel are oppositely arranged;
the control chip is used for sending the driving data of the display panel and the LCG panel;
and the driving chip is arranged in the display panel and connected with the LCG panel and is used for driving the display panel to display images and driving the LCG panel to be equivalent to the zoom lens according to the driving data sent by the control chip.
The resolution of the display panel is m columns and n rows; and the LCG panel comprises k annular pixel cells;
the control chip is specifically configured to send drive data to the drive chip, where the drive data includes drive data of (m + r) columns and n rows of three colors; wherein r is 2 k/3;
the driving chip is specifically used for driving the display panel to display images according to the driving data of n rows and 1 st to m th columns of three colors in the driving data; and transmitting the driving data of m +1 th to m + r th columns of three colors in the driving data as the driving data of the LCG panel to 2k data lines connected with k annular pixel units of the LCG panel so as to drive the LCG panel equivalent zoom lens.
Or the resolution of the display panel is m columns and n rows; the LCG panel comprises k annular pixel units and a GOA circuit;
the control chip is specifically used for sending drive data to the drive chip, wherein the drive data comprises drive data of (m +1) columns and n rows of three colors;
the driving chip is specifically used for driving the display panel to display images according to the driving data of n rows and 1 st to m th columns of three colors in the driving data; and taking the driving data of two colors in the m +1 th column in the driving data as the driving data of the LCG panel, transmitting the driving data to a GOA circuit of the LCG panel through 2 data lines, controlling the GOA circuit through CLK and STV signals, and sequentially writing the time sequence data on the 2 data lines into the electrodes of each pixel unit.
The invention also provides a control method of the liquid crystal glasses with the image display function, which comprises the following steps:
generating driving data of a display panel in the liquid crystal glasses and driving data of an LCG panel of the liquid crystal glasses, which is arranged opposite to the display panel, in the liquid crystal glasses;
and combining the driving data of the display panel and the LCG panel and then sending the combined driving data to a driving chip which is arranged in the display panel and connected with the LCG panel, controlling the driving chip to drive the display panel to display images and driving the LCG panel to be equivalent to a zoom lens.
The resolution of the display panel is m columns and n rows; and the LCG panel comprises k annular pixel cells; and
the generating of the driving data of the display panel in the liquid crystal glasses and the driving data of the LCG panel in the liquid crystal glasses, which is disposed opposite to the display panel, specifically includes:
generating image data of n rows and m columns of three colors according to an image to be displayed, wherein the image data is used as driving data of the display panel; and
generating 2k pieces of driving data of k annular pixel units of the LCG panel according to the focal length to be adjusted, assigning the 2k pieces of driving data to image data of n rows and r columns of three colors, wherein one of the 2k pieces of driving data is assigned to 1 column of image data of one color;
wherein r is 2 k/3.
The method includes the steps of merging the driving data of the display panel and the LCG panel and then sending the merged driving data to a driving chip which is arranged in the display panel and connected with the LCG panel, controlling the driving chip to drive the display panel to display images, and driving an equivalent zoom lens of the LCG panel, and specifically includes:
combining the image data of n rows and m columns of three colors as the driving data of the display panel with the image data of n rows and r columns of three colors as the driving data of the LCG panel to obtain the image data of (m + r) columns and n rows of three colors;
sending the combined image data as driving data to the driving chip, and controlling the driving chip to drive the display panel to display images according to the driving data of n rows and 1 st to m th columns of three colors in the driving data; and transmitting the driving data of m +1 th to m + r th columns of three colors in the driving data as the driving data of the LCG panel to 2k data lines connected with k annular pixel units of the LCG panel so as to drive the LCG panel equivalent zoom lens.
Or the resolution of the display panel is m columns and n rows; the LCG panel comprises k annular pixel units and a GOA circuit; and
the generating of the driving data of the display panel in the liquid crystal glasses and the driving data of the LCG panel in the liquid crystal glasses, which is disposed opposite to the display panel, specifically includes:
generating image data of n rows and m columns of three colors according to an image to be displayed, wherein the image data is used as driving data of the display panel; and
generating 2k pieces of driving data of k annular pixel units of the LCG panel according to the focal length to be adjusted, and assigning the 2k pieces of driving data to image data of n rows and 1 column of two colors of the three colors; wherein, 1 column of image data of a color is periodic data, each period comprises k time sequences, and the k time sequence data are respectively used as data for driving upper electrodes of k annular pixel units; the 1 column image data of the other color is also periodic data, each period includes k time sequences, and the k time sequence data are respectively used as data for driving the lower electrodes of the k annular pixel units.
The method includes the steps of merging the driving data of the display panel and the LCG panel and then sending the merged driving data to a driving chip which is arranged in the display panel and connected with the LCG panel, controlling the driving chip to drive the display panel to display images, and driving an equivalent zoom lens of the LCG panel, and specifically includes:
combining the image data of n rows and m columns of three colors as the driving data of the display panel with the image data of n rows and 1 columns of three colors as the driving data of the LCG panel to obtain the image data of (m +1) columns and n rows of three colors;
sending the combined image data as driving data to the driving chip, and controlling the driving chip to drive the display panel to display images according to the driving data of n rows and 1 st to m th columns of three colors in the driving data sent by the control chip; and taking the driving data of two colors in the (m +1) th column in the driving data sent by the control chip as the driving data of the LCG panel, transmitting the driving data to a GOA circuit of the LCG panel through 2 data lines, controlling the GOA circuit through CLK and STV signals, and sequentially writing the time sequence data on the 2 data lines into the electrodes of each pixel unit.
In the technical scheme of the invention, a display panel opposite to an LCG panel is additionally arranged in liquid crystal glasses, a driving chip in the display panel is connected with the LCG panel through an FPC (flexible printed circuit), the display panel is driven by the driving chip in the display panel to display images, and the LCG panel is driven to be equivalent to a zoom lens; therefore, the image display function of the display equipment and the vision correction function of the liquid crystal glasses are realized simultaneously, and the head-wearing image display function is convenient for people with vision defects to use. Moreover, since the manufacturing processes of the LCG panel and the display panel are all very mature processes, compared with the existing smart glasses using the first liquid crystal cell for displaying images and the second liquid crystal cell for the equivalent zoom lens when the first liquid crystal cell does not display images, the process for manufacturing the liquid crystal glasses with the image display function of the present invention is more mature and has lower manufacturing cost.
Preferably, in the technical solution of the present invention, the driving chip in the display panel is only used to simultaneously drive the display panel for image display, and the LCG panel is equivalent to the zoom lens, so as to further reduce the manufacturing cost.
Drawings
FIG. 1a is a schematic diagram of the internal structure of a pair of prior art liquid crystal glasses;
FIG. 1b is a schematic diagram of a ring-shaped pixel unit of a pair of prior art liquid crystal glasses;
FIG. 2 is a schematic diagram of an internal structure of a head-mounted display device in the prior art;
fig. 3 is a schematic view of an internal structure of liquid crystal glasses with an image display function according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating connection of electrode data lines of ring-shaped pixel units in an LCG panel according to an embodiment of the present invention;
fig. 5 is a flowchart illustrating a method for controlling liquid crystal glasses with an image display function according to an embodiment of the present invention;
fig. 6 is a schematic view of an internal structure of liquid crystal glasses with an image display function according to a second embodiment of the present invention;
fig. 7 is a schematic diagram illustrating a connection between a ring pixel unit and a GOA circuit in an LCG panel according to a second embodiment of the present invention;
fig. 8 is a flowchart of a control method for liquid crystal glasses with an image display function according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
The structure of a typical liquid crystal glasses, as shown in fig. 1a, includes: an LCG (Liquid Crystal Glass) panel, a control chip, and an FPC (Flexible Printed Circuit) for connecting the LCG panel and the control chip, which are disposed on the frame; as shown in fig. 1b, the LCG panel includes a plurality of ring-shaped pixel units and a driving chip for driving the ring-shaped pixel units; wherein each annular pixel unit comprises a pair of electrodes, namely an upper electrode and a lower electrode; and SiO2 insulating tapes are arranged between adjacent annular pixel units.
The structure of the head-mounted display device, as shown in fig. 2, generally includes: the display panel, the control chip and the FPC are arranged on the spectacle frame and used for connecting the display panel and the control chip; the display panel array is provided with a plurality of rows and columns of pixel units and a driving chip for driving the pixel unit array.
The inventor of the invention considers that if a display panel opposite to an LCG panel is additionally arranged in liquid crystal glasses, a driving chip in the display panel is connected with the LCG panel through an FPC (flexible printed circuit), the display panel is driven by the driving chip in the display panel to display images, and the LCG panel is driven to be equivalent to a zoom lens; therefore, the image display function of the display equipment and the vision correction function of the liquid crystal glasses are realized simultaneously, and the head-wearing image display function is convenient for people with vision defects to use. Moreover, since the manufacturing processes of the LCG panel and the display panel are all very mature processes, compared with the existing smart glasses using the first liquid crystal cell for displaying images and the second liquid crystal cell for the equivalent zoom lens when the first liquid crystal cell does not display images, the process for manufacturing the liquid crystal glasses with the image display function of the present invention is more mature and has lower manufacturing cost.
The technical solutions of two specific embodiments provided by the present invention are described in detail below with reference to the accompanying drawings.
Example one
A pair of liquid crystal glasses with an image display function according to a first embodiment of the present invention is shown in fig. 3, and includes: LCG panel 301, display panel 302, and control chip 303.
Wherein, the LCG panel 301 and the display panel 302 are oppositely arranged; a driver chip 304 provided in the display panel 302 is connected to the LCG panel 301 through an FPC; in addition, the driver chip 304 is also connected to the control chip 303 through an FPC.
Further, the liquid crystal glasses with the image display function according to the present invention further includes a frame (not shown) for fixing the LCG panel 301 and the display panel 302, which are oppositely disposed, and the control chip 303.
The control chip 303 transmits driving data of the LCG panel 301 and the display panel 302 to the driving chip 304 in the display panel 302 through the FPC; the driving chip 304 in the display panel 302 drives the display panel 302 for image display and drives the LCG panel 301 equivalent zoom lens according to the driving data sent by the control chip 303.
Specifically, the resolution of the display panel 302 may be m columns by n rows; as shown in fig. 4, the LCG panel 301 may include k annular pixel units, and the upper and lower electrodes of each annular pixel unit are connected to the FPC through 2 data lines arranged on the transparent substrate of the LCG panel 301 and further connected to the redundant Source channel (data channel) of the driving chip 304 in the display panel 302 through the FPC; that is, k ring pixel cells in the LCG panel 301 pass through 2k data lines, data1、data2……data2kConnected to a driver chip 304 in the display panel 302. Specifically, the data lines, which may be the m +1 th to m + r th columns of three colors (R, G, B) in the Source channel of the driver chip 304, are connected to the 2k electrodes of the k ring-shaped pixel units in the LCG panel 301; wherein r is 2 k/3.
The driving data sent by the control chip 303 to the driving chip 304 specifically includes driving data of (m + r) columns and n rows of three colors.
The driving chip 304 in the display panel 302 is specifically configured to drive the display panel 302 to perform image display according to the driving data of n rows and 1 st to m th columns of three colors in the driving data; and taking the driving data of the m +1 th to m + r th columns of three colors in the driving data as the driving data of the LCG panel 301, and transmitting the driving data to 2k data lines connected with k annular pixel units of the LCG panel through redundant Source channels so as to drive the LCG panel equivalent zoom lens.
Specifically, a specific flow of the method for controlling liquid crystal glasses with an image display function according to the first embodiment of the present invention is shown in fig. 5, and includes the following steps:
step S501: the control chip 303 generates driving data of the display panel 302, and driving data of the LCG panel 301.
Specifically, the control chip 303 generates image data of n rows and m columns of three colors as driving data of the display panel 302 according to an image to be displayed;
the control chip 303 may also generate driving data of the LCG panel 301 according to the focal length to be adjusted of the liquid crystal glasses, that is, the control chip 303 generates driving data of upper and lower electrodes of k annular pixel units in the LCG panel 301 according to the focal length to be adjusted, for a total of 2k driving data, and assigns the 2k driving data to image data of n rows and r columns of three colors; where r is 2k/3, i.e. 3r is 2 k. That is, one of 2k pieces of drive data is assigned to 1 column of image data of one color, that is, 2k pieces of drive data are assigned to r columns of image data of three colors, respectively.
For example, in the case of k 15, r is 10, that is, 2k 30 pieces of driving data are assigned to the image data of n rows and 10 columns of three colors; thus, 1 column of image data of one color is assigned 1 drive data.
Further, for the case where 2k/3 is not an integer, r may be made equal to the rounded up calculation result of 2 k/3.
Step S502: the control chip 303 merges the driving data of the display panel 302 and the LCG panel 301.
Specifically, the control chip 303 merges the image data of n rows and m columns of three colors as the drive data of the display panel 302 with the image data of n rows and r columns of three colors as the drive data of the LCG panel 301 to obtain the image data of (m + r) columns and n rows of three colors as the drive data of the display panel 302 and the LCG panel 301 obtained by the merging. In the merged image data, the data of n rows and 1 st to m th columns of the three colors are the driving data of the display panel 302, and the data of m +1 th to m + r th columns of the three colors are the driving data of the LCG panel 301.
Step S503: the control chip 303 sends the combined driving data to the driving chip 304 in the display panel 302, and controls the driving chip 304 to drive the display panel 302 for image display and drive the LCG panel 301 equivalent zoom lens.
In this step, the control chip 303 sends the combined image data to the driving chip 304 as driving data, and controls the driving chip 304 to drive the display panel 302 to display an image according to the driving data of n rows and 1 st to m th columns of three colors in the driving data sent by the control chip 303; meanwhile, the driving chip 304 transfers the driving data of the m +1 th to m + r th columns of the three colors among the driving data sent by the control chip 303 as the driving data of the LCG panel 301 to 2k data lines connected to the k annular pixel units of the LCG panel 301, that is, the driving chip 304 transfers the driving data of the m +1 th to m + r th columns of the three colors (R, G, B) to 2k electrodes of the k annular pixel units of the LCG panel 301 through the data lines (i.e., 2k data lines) of the m +1 th to m + r th columns of the three colors in the Source channel to drive the LCG panel 301 equivalent zoom lens.
In the technical scheme of the first embodiment of the invention, a display panel opposite to an LCG panel is additionally arranged in liquid crystal glasses, a driving chip in the display panel is connected with the LCG panel through an FPC (flexible printed circuit), the display panel is driven by the driving chip in the display panel to display images, and the LCG panel is driven to be equivalent to a zoom lens; therefore, the image display function of the display equipment and the vision correction function of the liquid crystal glasses are realized simultaneously, and the head-wearing image display function is convenient for people with vision defects to use. Moreover, since the manufacturing processes of the LCG panel and the display panel are all very mature processes, compared with the existing smart glasses using the first liquid crystal cell for displaying images and the second liquid crystal cell for the equivalent zoom lens when the first liquid crystal cell does not display images, the process for manufacturing the liquid crystal glasses with the image display function of the present invention is more mature and has lower manufacturing cost.
Preferably, in the first technical solution of the embodiment of the present invention, the driving chip in the display panel is only used to simultaneously drive the display panel for image display, and the LCG panel is equivalent to the zoom lens, so as to further reduce the manufacturing cost.
Example two
A pair of liquid crystal glasses with an image display function according to a second embodiment of the present invention is configured as shown in fig. 6, and includes: LCG panel 601, display panel 602, and control chip 603.
The LCG panel 601 and the display panel 602 are disposed opposite to each other; a driver chip 604 provided in the display panel 602 is connected to the LCG panel 601 through an FPC; in addition, the driver chip 604 is also connected to the control chip 603 through an FPC.
Further, the liquid crystal glasses with the image display function according to the present invention further includes a frame (not shown) for fixing the LCG panel 601 and the display panel 602, which are oppositely disposed, and the control chip 603.
The control chip 603 transmits driving data of the LCG panel 601 and the display panel 602 to the driving chip 604 in the display panel 602 through the FPC; the driving chip 604 in the display panel 602 drives the display panel 602 to display an image and drives the LCG panel 601 equivalent zoom lens according to the driving data sent by the control chip 603.
Specifically, the resolution of the display panel 602 may be m columns by n rows; as shown in fig. 7, the LCG panel 601 may include k ring-shaped pixel units and a Gate Driver On Array (GOA) circuit.
The GOA circuit may specifically include 2k TFT switches and a shift register. The 2k TFT switches are used for respectively controlling the on-off of 2k electrodes of the annular pixel units in the LCG panel 601; and the gates of 2 TFT switches for controlling a pair of electrodes of the same annular pixel cell are connected; k output terminals of the shift register are respectively connected to control kThe gate of the TFT switch of each annular pixel cell. For example, 2 TFT switches T for controlling the upper and lower electrodes of the 1 st ring-shaped pixel unit1、T2Are connected to the gate of, and T1、T2Is connected to the 1 st output SW of the shift register1(ii) a 2 TFT switches T for controlling the upper and lower electrodes of 2 nd annular pixel unit3、T4Are connected to the gate of, and T3、T4Is connected to the 2 nd output SW of the shift register2… … for controlling the upper and lower electrodes of the kth ring-shaped pixel unit2k-1、T2kAre connected to the gate of, and T2k-1、T2kIs connected to the kth output SW of the shift registerk。
The upper electrodes of all the annular pixel units in the LCG panel 601 pass through the same data line data1A redundant Source channel connected to the FPC and further connected to the driving chip 604 in the display panel 602 through the FPC; the lower electrodes of all the annular pixel units in the LCG panel 601 pass through another data line data2Is connected to the FPC and is further connected to the redundant Source channel of the driving chip 604 in the display panel 602 through the FPC. That is, k ring-shaped pixel units in the LCG panel 601 are connected to the driving chip 604 in the display panel 602 through 2 data lines. Specifically, the data lines in the m +1 th column of two colors in the Source channel of the driver chip 604, such as the data line in the m +1 th column of the color R and the data line in the m +1 th column of the color G, are used as data lines1、data2The data lines are connected to the electrodes of the k annular pixel cells in the LCG panel 601.
In addition, CLK (clock) and STV (Start Vertical) signal lines of GPIO (General-purpose input/output) ports of the driving chip 604 are connected to the GOA circuit; specifically, the CLK and STV signal lines may be connected to a shift register in the GOA circuit to control the output terminals of the shift register to sequentially output gate-on signals.
The driving data sent by the control chip 603 to the driving chip 604 specifically includes driving data of (m + r) columns and n rows of three colors.
The driving chip 604 in the display panel 602 is specifically configured to drive the display panel 602 to display an image according to the driving data of n rows and 1 st to m th columns of three colors in the driving data; and taking the driving data of two colors in the m +1 th column in the driving data as the driving data of the LCG panel, and connecting the driving data of two colors with 2 data lines data1、data2The timing data is transmitted to the GOA circuit of the LCG panel 601, and the GOA circuit is controlled by CLK and STV signals, so that the timing data on the 2 data lines are sequentially written into the electrodes of the pixel units.
Specifically, the second embodiment of the present invention provides a method for controlling liquid crystal glasses with an image display function, where a specific flow is shown in fig. 8, and the method includes the following steps:
step S801: the control chip 603 generates driving data of the display panel 602, and driving data of the LCG panel 601.
Specifically, the control chip 603 generates image data of n rows and m columns of three colors as driving data of the display panel 602 according to an image to be displayed;
the control chip 603 can also generate 2k pieces of driving data of k annular pixel units of the LCG panel 601 according to the focal length to be adjusted of the liquid crystal glasses, and assign the 2k pieces of driving data to the image data of n rows and 1 column of two colors of the three colors; the 1 column image data of one color is periodic data, each period comprises increasing/decreasing data of k time sequences, and the k time sequence data are respectively used as data for driving upper electrodes of k annular pixel units; the 1 column image data of the other color is also periodic data, each period includes k time-series decreasing/increasing data, and the k time-series data are respectively used as data for driving the lower electrodes of the k annular pixel units.
Step S802: the control chip 603 merges the driving data of the display panel 602 and the LCG panel 601.
Specifically, the control chip 603 merges the image data of n rows and m columns of three colors as the drive data of the display panel 602 with the image data of n rows and 1 column of three colors as the drive data of the LCG panel 601 to obtain the image data of (m +1) columns and n rows of three colors as the drive data of the display panel 602 and the LCG panel 601 obtained after the merging.
Step S803: the control chip 603 sends the combined driving data to the driving chip 604 in the display panel 602, and controls the driving chip 604 to drive the display panel 602 for image display and drive the LCG panel 601 equivalent zoom lens.
In this step, the control chip 603 sends the combined image data to the driving chip 604 as driving data, and controls the driving chip 604 to drive the display panel 602 to display an image according to the driving data of n rows and 1 st to m th columns of three colors in the sent driving data; and the driving chip 604 also transmits the driving data of two colors in the m +1 th column in the driving data sent by the control chip 603 to the GOA circuit of the LCG panel 601 through 2 data lines as the driving data of the LCG panel 601, and controls the GOA circuit through CLK and STV signals to sequentially write the timing data on the 2 data lines into the electrodes of each pixel unit. Specifically, the driving chip 604 makes the driving data in the m +1 th column of one color, which is the periodic data, of the driving data in the m +1 th column of the two colors, and includes the increment/decrement data of k time sequences per period, and the data is transmitted through the data line data1A GOA circuit transmitted to the LCG panel 601; the driving data in the m +1 th column of the other color is periodic data, each period comprises k time sequence descending/ascending data, and the data is transmitted through the data line data2The GOA signals are transmitted to the LCG panel 601.
Meanwhile, a shift register in the GOA circuit sequentially controls k output ends to output grid opening signals to the grids of the TFT switches of the k annular pixel units according to the CLK and STV signals, and therefore data are converted into the grid opening signals1Data of k time sequences in each period on the data line are written into upper electrodes of the k annular pixel units in sequence when a TFT switch of each annular pixel unit is turned on; and will data2And sequentially writing the data of k time sequences in each period on the data line into the lower electrodes of the k annular pixel units when the TFT switch of each annular pixel unit is turned on.
In the second technical scheme of the embodiment of the invention, a display panel opposite to an LCG panel is additionally arranged in liquid crystal glasses, a driving chip in the display panel is connected with the LCG panel through an FPC (flexible printed circuit), the display panel is driven by the driving chip in the display panel to display images, and the LCG panel is driven to be equivalent to a zoom lens; therefore, the image display function of the display equipment and the vision correction function of the liquid crystal glasses are realized simultaneously, and the head-wearing image display function is convenient for people with vision defects to use. Moreover, since the manufacturing processes of the LCG panel and the display panel are all very mature processes, compared with the existing smart glasses using the first liquid crystal cell for displaying images and the second liquid crystal cell for the equivalent zoom lens when the first liquid crystal cell does not display images, the process for manufacturing the liquid crystal glasses with the image display function of the present invention is more mature and has lower manufacturing cost.
Preferably, in the second technical solution of the embodiment of the present invention, the driving chip in the display panel is only used to simultaneously drive the display panel for image display, and the LCG panel is equivalent to the zoom lens, so as to further reduce the manufacturing cost.
Those of skill in the art will appreciate that various operations, methods, steps in the processes, acts, or solutions discussed in the present application may be alternated, modified, combined, or deleted. Further, various operations, methods, steps in the flows, which have been discussed in the present application, may be interchanged, modified, rearranged, decomposed, combined, or eliminated. Further, steps, measures, schemes in the various operations, methods, procedures disclosed in the prior art and the present invention can also be alternated, changed, rearranged, decomposed, combined, or deleted.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A pair of liquid crystal glasses with an image display function is characterized by comprising:
the liquid crystal glasses LCG panel and the display panel are oppositely arranged;
the control chip is used for sending the driving data of the display panel and the LCG panel;
the driving chip is arranged in the display panel and connected with the LCG panel and is used for driving the display panel to display images and driving the LCG panel to be equivalent to a zoom lens according to the driving data sent by the control chip;
the resolution of the display panel is m columns and n rows; and the LCG panel comprises k annular pixel cells;
the control chip is specifically configured to send drive data to the drive chip, where the drive data includes drive data of (m + r) columns and n rows of three colors; wherein r =2 k/3;
the driving chip is specifically used for driving the display panel to display images according to driving data of n rows and 1 st to m th columns of three colors in the driving data; and transmitting the driving data of m +1 th to m + r th columns of three colors in the driving data as the driving data of the LCG panel to 2k data lines connected with k annular pixel units of the LCG panel so as to drive the LCG panel equivalent zoom lens.
2. The liquid crystal glasses according to claim 1, further comprising:
the mirror holder is used for fixing the LCG panel and the display panel which are oppositely arranged, and the control chip.
3. The liquid crystal glasses according to claim 1, wherein the driving chip is connected to the LCG panel through a trace in the display panel and an FPC.
4. A pair of liquid crystal glasses with an image display function is characterized by comprising:
the liquid crystal glasses LCG panel and the display panel are oppositely arranged;
the control chip is used for sending the driving data of the display panel and the LCG panel;
the driving chip is arranged in the display panel and connected with the LCG panel and is used for driving the display panel to display images and driving the LCG panel to be equivalent to a zoom lens according to the driving data sent by the control chip;
the resolution of the display panel is m columns and n rows; the LCG panel comprises k annular pixel units and a GOA circuit;
the control chip is specifically used for sending drive data to the drive chip, wherein the drive data comprises drive data of (m +1) columns and n rows of three colors;
the driving chip is specifically used for driving the display panel to display images according to driving data of n rows and 1 st to m th columns of three colors in the driving data; and taking the driving data of two colors in the m +1 th column in the driving data as the driving data of the LCG panel, transmitting the driving data to a GOA circuit of the LCG panel through 2 data lines, controlling the GOA circuit through CLK and STV signals, and sequentially writing the time sequence data on the 2 data lines into the electrodes of each pixel unit.
5. The liquid crystal glasses according to claim 4, further comprising:
the mirror holder is used for fixing the LCG panel and the display panel which are oppositely arranged, and the control chip.
6. The liquid crystal glasses according to claim 4, wherein the driving chip is connected to the LCG panel through a trace in the display panel and an FPC.
7. A control method for applying the liquid crystal glasses with image display function according to any one of claims 1 to 3, comprising:
generating driving data of a display panel in the liquid crystal glasses and driving data of an LCG panel arranged opposite to the display panel in the liquid crystal glasses;
merging the driving data of the display panel and the LCG panel, sending the merged driving data to a driving chip which is arranged in the display panel and connected with the LCG panel, controlling the driving chip to drive the display panel to display images, and driving the LCG panel to be equivalent to a zoom lens;
the resolution of the display panel is m columns and n rows; and the LCG panel comprises k annular pixel cells; and
the generating of the driving data of the display panel in the liquid crystal glasses and the driving data of the LCG panel in the liquid crystal glasses, which is disposed opposite to the display panel, specifically includes:
generating image data of n rows and m columns of three colors according to an image to be displayed, wherein the image data is used as driving data of the display panel; and
generating 2k pieces of driving data of k annular pixel units of the LCG panel according to the focal length to be adjusted, assigning the 2k pieces of driving data to image data of n rows and r columns of three colors, wherein one of the 2k pieces of driving data is assigned to 1 column of image data of one color;
wherein r =2 k/3.
8. The method according to claim 7, wherein the combining the driving data of the display panel and the LCG panel and sending the combined driving data to a driving chip disposed in the display panel and connected to the LCG panel, and controlling the driving chip to drive the display panel for displaying an image and drive the LCG panel equivalent zoom lens specifically comprises:
combining the image data of n rows and m columns of three colors as the driving data of the display panel with the image data of n rows and r columns of three colors as the driving data of the LCG panel to obtain the image data of (m + r) columns and n rows of three colors;
sending the combined image data as driving data to the driving chip, and controlling the driving chip to drive the display panel to display images according to the driving data of n rows and 1 st to m th columns of three colors in the driving data; and transmitting the driving data of m +1 th to m + r th columns of three colors in the driving data as the driving data of the LCG panel to 2k data lines connected with k annular pixel units of the LCG panel so as to drive the LCG panel equivalent zoom lens.
9. A control method for applying the liquid crystal glasses with image display function according to any one of claims 4 to 6, comprising:
generating driving data of a display panel in the liquid crystal glasses and driving data of an LCG panel arranged opposite to the display panel in the liquid crystal glasses;
merging the driving data of the display panel and the LCG panel, sending the merged driving data to a driving chip which is arranged in the display panel and connected with the LCG panel, controlling the driving chip to drive the display panel to display images, and driving the LCG panel to be equivalent to a zoom lens;
the resolution of the display panel is m columns and n rows; the LCG panel comprises k annular pixel units and a GOA circuit; and
the generating of the driving data of the display panel in the liquid crystal glasses and the driving data of the LCG panel in the liquid crystal glasses, which is disposed opposite to the display panel, specifically includes:
generating image data of n rows and m columns of three colors according to an image to be displayed, wherein the image data is used as driving data of the display panel; and
generating 2k pieces of driving data of k annular pixel units of the LCG panel according to the focal length to be adjusted, and assigning the 2k pieces of driving data to image data of n rows and 1 column of two colors of the three colors; wherein, 1 column of image data of a color is periodic data, each period comprises k time sequences, and the k time sequence data are respectively used as data for driving upper electrodes of k annular pixel units; the 1 column image data of the other color is also periodic data, each period includes k time sequences, and the k time sequence data are respectively used as data for driving the lower electrodes of the k annular pixel units.
10. The method according to claim 9, wherein the step of combining the driving data of the display panel and the LCG panel and sending the combined driving data to a driving chip disposed in the display panel and connected to the LCG panel, and controlling the driving chip to drive the display panel for displaying an image and drive the LCG panel equivalent zoom lens specifically comprises:
combining the image data of n rows and m columns of three colors as the driving data of the display panel with the image data of n rows and 1 columns of three colors as the driving data of the LCG panel to obtain the image data of (m +1) columns and n rows of three colors;
sending the combined image data to the driving chip as driving data, and controlling the driving chip to drive the display panel to display images according to the driving data of n rows and 1 st to m th columns of three colors in the driving data sent by the control chip; and taking the driving data of two colors in the (m +1) th column in the driving data sent by the control chip as the driving data of the LCG panel, transmitting the driving data to a GOA circuit of the LCG panel through 2 data lines, controlling the GOA circuit through CLK and STV signals, and sequentially writing the time sequence data on the 2 data lines into the electrodes of each pixel unit.
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