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Storage for display apparatus, control apparatus and storage

A technology for control devices and display devices, applied to static indicators, instruments, etc., which can solve the problems of limited memory output structure, slow operation speed, unfavorable development of large-size display devices, etc.

Inactive Publication Date: 2011-01-26
NOVATEK MICROELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Existing display devices are limited by the output bandwidth of the overall data bus GDBus, and the logic processing of the shift register 103 is required after the data for display is read, which makes the operation speed of the entire system slow down. Be greatly challenged! Furthermore, the current display devices tend to be large-sized liquid crystal display panels, and the above-mentioned data will be limited by the output structure of the memory, which is not conducive to the development of large-sized display devices (such as large-sized LCD TVs).

Method used

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  • Storage for display apparatus, control apparatus and storage
  • Storage for display apparatus, control apparatus and storage
  • Storage for display apparatus, control apparatus and storage

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Embodiment Construction

[0041] In view of the fact that the existing memory used for the display device has only one data output path, one of the main features of the present invention is that the memory should have a path for transmitting display data to the outside of the memory and a path for the display device to access the memory. Therefore, in the characteristics described in the following embodiments of the present invention, the memory has these two transmission paths, and the details are as follows.

[0042] Please refer to figure 2 , figure 2 It is a block diagram of a data driving circuit for a display device according to an embodiment of the present invention. The data driving circuit includes a source driver 227 , a digital / analog converter 225 , a level shifter 223 , a line latch 221 and a storage and control device 210 . Among them, the present invention is mainly on the storage and control device 210, and the remaining circuits such as the source driver 227, the digital / analog con...

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Abstract

The invention provides a device which is used for storing and controlling a display device as well as a memory. The device used for storing and controlling comprises a memory, a sensing bolt-lock circuit and a time sequence and memory controlling device. The memory is used for storing data and is provided with a display data bus and a conceptual data bus. The sensing bolt-lock circuit is used forsensing and bolt-locking the data on the display data bus. The time sequence and memory controlling device is used for controlling the memory to show the data used for displaying on the display data bus, so as to lead the sensing bolt-lock circuit to output the data on the display data bus, wherein, when the display device stores the data into the memory, the data on the conceptual data bus is stored into the memory.

Description

Technical field [0001] Background technique [0002] [0003] Please refer to figure 1 figure 1 [0004] [0005] Invention content [0006] [0007] [0008] [0009] [0010] [0011] [0012] [0013] [0014] Attachment description [0015] figure 1 [0016] figure 2 [0017] image 3 for figure 2 [0018] Figure 4 [0019] Figure 5 to Figure 7 [0020] [0021] [0022] [0023] [0024] [0025] [0026] 125, 225: Number / modulus converter [0027] 127, 227: The source driver [0028] 210, 410, 500: Storage and control devices [0029] 211, 510, 610, 710: timing and memory control device [0030] 213, 413A, 413B, 520, 620, 720: Sensor lock circuit [0031] 215, 415A, 415B, 550, 650, 750: memory [0032] 217, 530, 630, 730: memory block [0033] 219: Select sensor output inlet circuit [0034] 521-52N, 641-642N, 721-72n: sensor bolt lockr [0035] 621-62n, 741-74n: Multi-way reuse device [0036] BL1-BL2N: Line [0037] Cl1-clm: character line [0038] DDBUS: Display d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
Inventor 杨荣平杨行健赖敬文
Owner NOVATEK MICROELECTRONICS CORP