Disclosure of Invention
The invention provides a debugging method and a debugging system of a three-dimensional display panel, which are used for solving the problem that a polarizing film attached to the display panel is easy to misplace in the prior art.
The embodiment of the invention provides a debugging method of a three-dimensional display panel, which comprises the following steps:
controlling a three-dimensional display panel attached with a polarizing film to display a three-dimensional image, wherein a parameter corresponding to a left eye viewing position in the three-dimensional image is different from a parameter corresponding to a right eye viewing position;
respectively acquiring parameters corresponding to a left eye viewing picture and parameters corresponding to a right eye viewing picture in the three-dimensional image through external equipment;
determining whether the attaching position of the polarizing film on the three-dimensional display panel meets the standard or not according to the difference between the parameter corresponding to the left-eye viewing picture and the parameter corresponding to the right-eye viewing picture;
when the attaching position of the polarizing film on the three-dimensional display panel does not meet the standard, adjusting the attaching position of the polarizing film, respectively obtaining the parameter corresponding to the left-eye viewing picture and the parameter corresponding to the right-eye viewing picture in the three-dimensional image through external equipment, and determining whether the attaching position of the polarizing film on the three-dimensional display panel meets the standard or not according to the difference between the parameter corresponding to the left-eye viewing picture and the parameter corresponding to the right-eye viewing picture until the attaching position of the polarizing film on the three-dimensional display panel meets the standard.
In a possible implementation manner, in the method for debugging a three-dimensional display panel according to an embodiment of the present invention, the parameters corresponding to a left-eye viewing image and a right-eye viewing image in the three-dimensional image respectively obtained by an external device specifically include:
and acquiring an image corresponding to a left eye viewing picture and an image corresponding to a right eye viewing picture in the three-dimensional image by an externally arranged camera.
In a possible implementation manner, in the debugging method of a three-dimensional display panel provided in an embodiment of the present invention, determining whether an attachment position of the polarizing film on the three-dimensional display panel meets a standard according to a difference between a parameter corresponding to a left-eye viewing picture and a parameter corresponding to a right-eye viewing picture specifically includes:
judging whether the ratio of the overlapping area between the image corresponding to the left-eye viewing picture and the image corresponding to the right-eye viewing picture to the total area of the three-dimensional image is smaller than a preset first threshold value or not;
when the ratio is smaller than the first threshold value, determining that the attaching position of the polarizing film on the three-dimensional display panel meets the standard;
and when the ratio is larger than or equal to the first threshold value, determining that the attaching position of the polarizing film on the three-dimensional display panel does not meet the standard.
In a possible implementation manner, in the debugging method of the three-dimensional display panel provided by the embodiment of the present invention, the first threshold is less than 5%.
In a possible implementation manner, in the method for debugging a three-dimensional display panel according to an embodiment of the present invention, the parameters corresponding to a left-eye viewing image and a right-eye viewing image in the three-dimensional image respectively obtained by an external device specifically include:
and acquiring a brightness value corresponding to a left-eye viewing picture and a brightness value corresponding to a right-eye viewing picture in the three-dimensional image through an externally arranged optical collector, wherein the brightness corresponding to the maximum gray scale is displayed at the position corresponding to the left-eye viewing picture in the three-dimensional image displayed by the three-dimensional display panel, and the brightness corresponding to the minimum gray scale is displayed at the position corresponding to the right-eye viewing picture.
In a possible implementation manner, in the debugging method of a three-dimensional display panel provided in an embodiment of the present invention, determining whether an attachment position of the polarizing film on the three-dimensional display panel meets a standard according to a difference between a parameter corresponding to a left-eye viewing picture and a parameter corresponding to a right-eye viewing picture specifically includes:
judging whether a first brightness difference value of the brightness value corresponding to the left-eye viewing picture and the brightness value corresponding to the right-eye viewing picture is larger than a preset second threshold value or not;
and when the first brightness difference value is larger than the second threshold value, determining that the attaching position of the polarizing film on the three-dimensional display panel meets the standard, and when the first brightness difference value is smaller than or equal to the second threshold value, determining that the attaching position of the polarizing film on the three-dimensional display panel does not meet the standard.
In a possible implementation manner, in the debugging method of the three-dimensional display panel provided in the embodiment of the present invention, the method further includes:
acquiring a first brightness value corresponding to the maximum gray scale displayed by the display panel in a 2D display mode before attaching the polarizing film;
after the polarizing film is adjusted, acquiring a second brightness value corresponding to the maximum gray scale displayed by the three-dimensional display panel in the three-dimensional display mode;
determining a second brightness difference value between the 2D display mode and the three-dimensional display mode according to the first brightness value and the second brightness value;
and adjusting the backlight brightness of the three-dimensional display panel according to the second brightness difference value.
In another aspect, an embodiment of the present invention provides a debugging system for a three-dimensional display panel, including: a test control device and a polarizing film laminating device;
the test control device includes: the device comprises a parameter acquisition module, a processing module and an instruction sending module;
the parameter acquisition module is used for respectively acquiring parameters corresponding to a left eye viewing picture and parameters corresponding to a right eye viewing picture in the three-dimensional image;
the processing module is used for determining whether the attaching position of the polarizing film on the three-dimensional display panel meets the standard or not according to the difference between the parameter corresponding to the left-eye viewing picture and the parameter corresponding to the right-eye viewing picture;
the instruction sending module is used for sending a control instruction to the polarizing film laminating device when the attaching position of the polarizing film on the three-dimensional display panel does not meet the standard;
and the polarizing film attaching device is used for adjusting the attaching position of the polarizing film on the three-dimensional display panel according to the control instruction.
In a possible implementation manner, in the debugging system of a three-dimensional display panel provided in an embodiment of the present invention, when the parameter obtaining module is a camera, the processing module is specifically configured to:
judging whether the ratio of the overlapping area between the image corresponding to the left-eye viewing picture and the image corresponding to the right-eye viewing picture acquired by the camera to the total area of the three-dimensional image is smaller than a preset first threshold value or not;
when the ratio is smaller than the first threshold value, determining that the attaching position of the polarizing film on the three-dimensional display panel meets the standard;
and when the ratio is larger than or equal to the first threshold value, determining that the attaching position of the polarizing film on the three-dimensional display panel does not meet the standard.
In a possible implementation manner, in the debugging system of a three-dimensional display panel provided in the embodiment of the present invention, when the parameter obtaining module is an optical collector, the processing module is specifically configured to:
judging whether a first brightness difference value of the brightness value corresponding to the left-eye viewing picture and the brightness value corresponding to the right-eye viewing picture acquired by the optical collector is greater than a preset second threshold value;
when the first brightness difference value is larger than the second threshold value, the attaching position of the polarizing film on the three-dimensional display panel is in accordance with the standard, and when the first brightness difference value is smaller than or equal to the second threshold value, the attaching position of the polarizing film on the three-dimensional display panel is not in accordance with the standard.
The invention has the following beneficial effects:
the embodiment of the invention provides a debugging method and a debugging system of a three-dimensional display panel, wherein the debugging method of the three-dimensional display panel respectively acquires parameters corresponding to a left eye viewing picture and parameters corresponding to a right eye viewing picture in a displayed three-dimensional image through external equipment, determines whether the attaching position of a polarizing film on the three-dimensional display panel meets a standard or not according to the difference between the parameters corresponding to the left eye viewing picture and the parameters corresponding to the right eye viewing picture, adjusts the attaching position of the polarizing film if the attaching position of the polarizing film does not meet the standard, and circularly executes the steps until the attaching position of the polarizing film meets the standard. By the method, the attaching position of the polarizing film on the three-dimensional display panel can meet the standard, and the problem of crosstalk of left and right eye pictures caused by the deviation of the attaching position of the polarizing film is solved.
Detailed Description
The embodiment of the invention provides a debugging method and a debugging system of a three-dimensional display panel, aiming at the problem that in the related art, inaccurate alignment is easy to occur when a polarizing film is attached to the three-dimensional display panel, so that crosstalk is easy to occur in pictures acquired by left and right eyes. In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The shapes and sizes of the various elements in the drawings are not to scale and are merely intended to illustrate the invention.
Specifically, as shown in fig. 1, an embodiment of the present invention provides a method for debugging a three-dimensional display panel, including:
s101, controlling a three-dimensional display panel attached with a polarizing film to display a three-dimensional image, wherein the parameter corresponding to the left eye viewing position in the three-dimensional image is different from the parameter corresponding to the right eye viewing position;
it should be noted that, in the three-dimensional image, the parameter corresponding to the left-eye viewing position is different from the parameter corresponding to the right-eye viewing position, and the following is expressed: the left eye viewing position is used as a picture displayed by odd-numbered line pixels of the three-dimensional display panel, and the right eye viewing position is used as a picture displayed by even-numbered line pixels of the three-dimensional display panel, wherein in the three-dimensional display panel, the pictures displayed by the odd-numbered line pixels and the even-numbered line pixels cannot be completely the same, and if the pictures are completely the same, whether the position where the polarizing film is attached is a composite standard or not cannot be judged by comparing parameters corresponding to the right eye viewing picture with the left eye viewing picture, so that the images displayed by the odd-numbered line pixels and the even-numbered line pixels in the three-dimensional display panel need to be different, for example, the odd-numbered line pixels can display a full white picture, the even-numbered line pixels can display a full black picture, and the whole three-dimensional display.
S102, respectively acquiring parameters corresponding to a left eye viewing picture and parameters corresponding to a right eye viewing picture in the three-dimensional image through external equipment;
specifically, in the debugging method of the three-dimensional display panel provided in the embodiment of the present invention, the parameter corresponding to the left-eye viewing picture and the parameter corresponding to the right-eye viewing picture are obtained from the light exit surface side of the three-dimensional display panel to which the polarizing film is attached by using an external device, where the external device may be an image obtaining device such as a camera or a brightness collecting device such as an optical collector.
When the external device is a camera, the camera is used for acquiring an image corresponding to a left eye viewing picture and an image corresponding to a right eye viewing picture in the three-dimensional image. When the external device is an optical collector, the optical collector is used for acquiring a brightness value corresponding to a left-eye viewing picture and a brightness value corresponding to a right-eye viewing picture in a three-dimensional image, wherein the brightness corresponding to the maximum gray scale is displayed at a position corresponding to the left-eye viewing picture in the three-dimensional image displayed by the three-dimensional display panel, and the brightness corresponding to the minimum gray scale is displayed at a position corresponding to the right-eye viewing picture.
S103, determining whether the attaching position of the polarizing film on the three-dimensional display panel meets the standard or not according to the difference between the parameter corresponding to the left-eye viewing picture and the parameter corresponding to the right-eye viewing picture;
and S104, when the attaching position of the polarizing film on the three-dimensional display panel does not meet the standard, adjusting the attaching position of the polarizing film, determining whether the attaching position of the polarizing film on the three-dimensional display panel meets the standard according to the difference between the parameter corresponding to the left-eye viewing picture and the parameter corresponding to the right-eye viewing picture in the three-dimensional image respectively obtained by the external equipment again, and until the attaching position of the polarizing film on the three-dimensional display panel meets the standard.
Specifically, in the method for debugging a three-dimensional display panel provided in the embodiment of the present invention, the method for debugging a three-dimensional display panel obtains, through an external device, a parameter corresponding to a left-eye viewing screen and a parameter corresponding to a right-eye viewing screen in a displayed three-dimensional image, determines whether an attachment position of a polarizing film on the three-dimensional display panel meets a standard according to a difference between the parameter corresponding to the left-eye viewing screen and the parameter corresponding to the right-eye viewing screen, adjusts the attachment position of the polarizing film if the attachment position of the polarizing film does not meet the standard, and executes the above steps in a loop until the attachment position of the polarizing film meets the standard. By the method, the attaching position of the polarizing film on the three-dimensional display panel can meet the standard, and the problem of crosstalk of left and right eye pictures caused by the deviation of the attaching position of the polarizing film is solved.
Optionally, in the debugging method of the three-dimensional display panel provided in the embodiment of the present invention, when the parameter corresponding to the left-eye viewing picture is the image corresponding to the left-eye viewing picture, and the parameter corresponding to the right-eye viewing picture is the image corresponding to the right-eye viewing picture, it may be determined whether the position where the polarizing film is attached meets the standard by determining whether a ratio between an overlapping area between the image corresponding to the left-eye viewing picture and the image corresponding to the right-eye viewing picture and a total area of the three-dimensional image is smaller than a preset first threshold.
Specifically, as shown in fig. 2, the method includes:
s201, acquiring an image corresponding to a left eye viewing picture and an image corresponding to a right eye viewing picture in a three-dimensional image through a camera;
s202, judging whether the ratio of the overlapping area between the image corresponding to the left-eye viewing picture and the image corresponding to the right-eye viewing picture to the total area of the three-dimensional image is smaller than a preset first threshold value or not;
s203, when the ratio is smaller than the first threshold value, determining that the attaching position of the polarizing film on the three-dimensional display panel meets the standard;
and S204, when the ratio is larger than or equal to the first threshold, determining that the attaching position of the polarizing film on the three-dimensional display panel does not meet the standard, adjusting the attaching position of the polarizing film on the three-dimensional display panel, and then, circularly executing the steps S201 to S204 until the attaching position of the polarizing film on the three-dimensional display panel meets the standard.
For example: the method comprises the following steps that odd-numbered lines of pixels of a display panel display white images with the maximum gray scale, even-numbered lines of pixels display black images with the minimum gray scale, a camera is used for shooting images corresponding to a left-eye viewing picture and images corresponding to a right-eye viewing picture respectively, if a polarizing film is not offset in the attaching position of the display panel, the images corresponding to the left-eye viewing picture are white stripes, and the images corresponding to the right-eye viewing picture are black stripes; however, when the polarizing film is shifted in the attachment position of the display panel, the image corresponding to the left-eye viewing screen may have a gray stripe in addition to the white stripe, and/or the image corresponding to the right-eye viewing screen may have a gray stripe in addition to the black stripe, the gray stripe being formed by overlapping the black stripe and the white stripe, wherein the area of the gray stripe is the overlapping area. Allowing a certain amount of error to exist during the attachment of the polarizing film, that is, allowing a small area of gray stripes to exist, determining that the attachment position of the polarizing film on the display panel is in compliance with the standard when the ratio of the area of the gray stripes to the area of the display panel is less than a first threshold, and determining that the attachment position of the polarizing film on the display panel is in compliance with the standard when the ratio of the area of the gray stripes to the area of the display panel is greater than the first threshold.
Optionally, in the debugging method of the three-dimensional display panel provided in the embodiment of the present invention, the first threshold may be set to be less than 5%.
Optionally, in the debugging method of the three-dimensional display panel provided in the embodiment of the present invention, when the parameter corresponding to the left-eye viewing image is a luminance value corresponding to the left-eye viewing image, and the parameter corresponding to the right-eye viewing image is a luminance value corresponding to the right-eye viewing image, whether the position where the polarizing film is attached meets the standard may be determined by determining whether a first luminance difference between the luminance value corresponding to the left-eye viewing image and the luminance value corresponding to the right-eye viewing image is greater than a preset second threshold.
Specifically, as shown in fig. 3, the method includes:
s301, acquiring a brightness value corresponding to a left-eye viewing picture and a brightness value corresponding to a right-eye viewing picture in the three-dimensional image through an optical collector;
s302, judging whether a first brightness difference value of a brightness value corresponding to the left-eye viewing picture and a brightness value corresponding to the right-eye viewing picture is larger than a preset second threshold value or not;
s303, when the first brightness difference value is larger than a second threshold value, determining that the attaching position of the polarizing film on the three-dimensional display panel meets the standard;
s304, when the first brightness difference value is smaller than or equal to the second threshold value, determining that the attaching position of the polarizing film on the three-dimensional display panel does not meet the standard, adjusting the attaching position of the polarizing film on the three-dimensional display panel, and then executing the steps S301 to S304 in a circulating mode until the attaching position of the polarizing film on the three-dimensional display panel meets the standard.
After the three-dimensional display panel is attached to the polarizing film, the three-dimensional display panel is shielded by the polarizing film, and the screen display brightness is reduced, so that, in order to solve the problem, the debugging method of the three-dimensional display panel provided by the embodiment of the invention further comprises the following steps:
acquiring a first brightness value corresponding to the maximum gray scale displayed by the display panel in a 2D display mode before attaching the polarizing film;
after the polarizing film is adjusted, acquiring a second brightness value corresponding to the maximum gray scale displayed by the three-dimensional display panel in the three-dimensional display mode;
determining a second brightness difference value between the 2D display mode and the three-dimensional display mode according to the first brightness value and the second brightness value;
and adjusting the backlight brightness of the three-dimensional display panel according to the second brightness difference value.
Specifically, in the adjusting method of the three-dimensional display panel provided by the embodiment of the present invention, the second brightness difference value may be provided to a backlight system of the three-dimensional display panel, and the backlight system increases the brightness of the backlight source according to the second brightness difference value, so as to provide the display effect of the three-dimensional display panel.
Based on the same inventive concept, an embodiment of the present invention further provides an adjusting system for a three-dimensional display panel, including: a test control device and a polarizing film laminating device;
the test control device includes: the device comprises a parameter acquisition module, a processing module and an instruction sending module;
the parameter acquisition module is used for respectively acquiring parameters corresponding to a left eye viewing picture and parameters corresponding to a right eye viewing picture in the three-dimensional image;
the processing module is used for determining whether the attaching position of the polarizing film on the three-dimensional display panel meets the standard or not according to the difference between the parameter corresponding to the left-eye viewing picture and the parameter corresponding to the right-eye viewing picture;
the instruction sending module is used for sending a control instruction to the polarizing film laminating device when the attaching position of the polarizing film on the three-dimensional display panel does not meet the standard;
and the polarizing film laminating device is used for adjusting the pasting position of the polarizing film on the three-dimensional display panel according to the control command.
Optionally, in the debugging system of the three-dimensional display panel provided in the embodiment of the present invention, when the parameter obtaining module is a camera, the processing module is specifically configured to:
judging whether the ratio of the overlapping area between the image corresponding to the left-eye viewing picture and the image corresponding to the right-eye viewing picture acquired by the camera to the total area of the three-dimensional image is smaller than a preset first threshold value or not;
when the ratio is smaller than a first threshold value, determining that the attaching position of the polarizing film on the three-dimensional display panel meets the standard;
when the ratio is greater than or equal to the first threshold value, it is determined that the attaching position of the polarizing film on the three-dimensional display panel does not meet the standard.
Optionally, in the debugging system of the three-dimensional display panel provided in the embodiment of the present invention, when the parameter obtaining module is an optical collector, the processing module is specifically configured to:
judging whether a first brightness difference value of a brightness value corresponding to the left-eye viewing picture and a brightness value corresponding to the right-eye viewing picture acquired by the optical collector is greater than a preset second threshold value;
when the first brightness difference value is larger than the second threshold value, the attaching position of the polarizing film on the three-dimensional display panel is in accordance with the standard, and when the first brightness difference value is smaller than or equal to the second threshold value, the attaching position of the polarizing film on the three-dimensional display panel is not in accordance with the standard.
Optionally, in the debugging system of a three-dimensional display panel provided in the embodiment of the present invention, the debugging system further includes: a backlight adjusting device;
the test control device can also be used for acquiring a first brightness value corresponding to the maximum gray scale displayed by the display panel in a 2D display mode before the polarizing film is attached; after the polarizing film is adjusted, acquiring a second brightness value corresponding to the maximum gray scale displayed by the three-dimensional display panel in the three-dimensional display mode; determining a second brightness difference value between the 2D display mode and the three-dimensional display mode according to the first brightness value and the second brightness value; and providing the second brightness difference value to a backlight adjusting device;
the backlight adjusting device adjusts the backlight brightness provided by the backlight source of the three-dimensional display panel according to the second brightness difference value.
Specifically, the test control device may communicate with the polarizing film laminating device and the backlight adjustment device by a wired communication method or a wireless communication terminal, and may communicate with each other by bluetooth, for example, but is not limited thereto.
The principle and the specific implementation of the debugging system of the three-dimensional display panel are the same as those of the adjusting method of the three-dimensional display panel provided in the above embodiments, and therefore the debugging system of the three-dimensional display panel can be implemented with reference to the embodiment of the adjusting method of the three-dimensional display panel, and details are not repeated here.
The embodiment of the invention provides a debugging method and a debugging system of a three-dimensional display panel, wherein the debugging method of the three-dimensional display panel respectively acquires parameters corresponding to a left eye viewing picture and parameters corresponding to a right eye viewing picture in a displayed three-dimensional image through external equipment, determines whether the attaching position of a polarizing film on the three-dimensional display panel meets a standard or not according to the difference between the parameters corresponding to the left eye viewing picture and the parameters corresponding to the right eye viewing picture, adjusts the attaching position of the polarizing film if the attaching position of the polarizing film does not meet the standard, and circularly executes the steps until the attaching position of the polarizing film meets the standard. By the method, the attaching position of the polarizing film on the three-dimensional display panel can meet the standard, and the problem of crosstalk of left and right eye pictures caused by the deviation of the attaching position of the polarizing film is solved.
Based on the same inventive concept, embodiments of the present invention further provide a computer-readable medium, which includes program code, when the program code runs on a computing device, the program code is configured to enable the computing device to perform the steps of the method for debugging a three-dimensional display panel provided in any of the above embodiments.
Since the principle of solving the problem of the computer-readable medium is similar to that of the aforementioned design method of the thin film transistor, the implementation of the computer-readable medium can be implemented by referring to the specific embodiment of the design method of the thin film transistor, and repeated details are not repeated.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
A display product according to an embodiment of the present invention may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a server device. However, the program product of the present invention is not limited thereto, and in this document, the readable storage medium may be any tangible medium containing or storing the program, which can be used by or in connection with an information transmission, apparatus, or device.
A readable signal medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may also be any readable medium other than a readable storage medium that can transmit, propagate, or transport the program for use by or in connection with the periodic network action system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device.
Through the above description of the embodiments, it is clear to those skilled in the art that the embodiments of the present invention may be implemented by hardware, or by software plus a necessary general hardware platform. Based on such understanding, the technical solutions of the embodiments of the present invention may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a usb disk, a removable hard disk, etc.), and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods according to the embodiments of the present invention.
Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred embodiment and that the blocks or flow diagrams in the drawings are not necessarily required to practice the present invention.
Those skilled in the art will appreciate that the modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, and may be correspondingly changed in one or more devices different from the embodiments. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.