KR-102961263-B1 - DISPLAY DEVICE

KR102961263B1KR 102961263 B1KR102961263 B1KR 102961263B1KR-102961263-B1

Abstract

In a display device according to the present invention, the display panel includes a first and a second display area. A plurality of reference pixel units are arranged in the second display area, and each reference pixel unit includes k first color light-emitting elements. A controller receives image signals, and the image signals include first image signals corresponding to the first display area and second image signals corresponding to the second display area. The second image signals are divided into a plurality of reference signal units corresponding to each of the plurality of reference pixel units, and each reference signal unit includes m x n color image signals. The controller generates color image data by rendering p color image signals among the m x n color image signals included in the corresponding reference signal unit and ((m x n) - p) reference image signals included in the reference signal unit adjacent to the corresponding reference signal unit.

Inventors

홍성진
최충석
김혜원
고유민
김선호
박주찬
이필석

Assignees

삼성디스플레이 주식회사

Dates

Publication Date: 20260511
Application Date: 20211223

Claims (20)

A display panel comprising a first display area and a second display area adjacent to the first display area; A controller that receives video signals, renders the video signals, and outputs video data; and It includes a data driver that converts the above image data into a data signal and provides it to the first and second display areas of the display panel, and A plurality of reference pixel units are arranged in the second display area, and each reference pixel unit includes k first color light-emitting elements that receive a data signal corresponding to the first color image data. The above image signals include first image signals corresponding to the first display area and second image signals corresponding to the second display area, and the second image signals are divided into a plurality of reference signal units corresponding to each of the plurality of reference pixel units, and each reference signal unit includes m x n first color image signals. The above controller is, The first color image data is generated by rendering p first color image signals among mXn first color image signals included in the corresponding reference signal unit and ((mXn)-p) first reference image signals included in the first reference signal unit adjacent to the corresponding reference signal unit. Here, k and p are each less than the product of m and n, k, m, and n are each natural numbers greater than or equal to 2, and p is a natural number greater than or equal to 1, and A plurality of normal pixel units are arranged in the first display area above, and When the first display area is adjacent to the first side of the second display area, the first reference signal unit is positioned on the first side of the corresponding reference signal unit, and A display device in which, when the first display area is adjacent to the second side of the second display area opposite to the first side, the first reference signal unit is positioned on the second side of the corresponding reference signal unit.
In paragraph 1, each of the above reference signal units is, It further includes mXn second color image signals and mXn third color image signals, and Each of the above reference pixel units is, j second color light-emitting elements; and It further includes k third color light-emitting elements, The above display device where j is a natural number greater than k.
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In paragraph 2, The first image signals are divided into a plurality of normal signal units corresponding to each of the plurality of normal pixel units, and each normal signal unit includes two normal color image signals. The above controller is, Normal color image data is generated by rendering one normal color image signal among two normal color image signals included in a normal signal unit among the plurality of normal pixel units and one normal reference signal included in a normal reference unit adjacent to the corresponding normal signal unit. A display device in which a normal pixel unit corresponding to the above-mentioned normal signal unit receives a data signal corresponding to the above-mentioned normal color image data.
In paragraph 2, the controller is, A third color image data is generated by rendering q third color image signals among the mXn third color image signals included in the corresponding reference signal unit and ((mXn)-q) second reference image signals included in the first reference signal unit, and A data signal corresponding to the third color image data is applied to the k third color light-emitting elements included in the above-mentioned reference pixel unit, and Here, q is a display device that is less than the product of m and n and is a natural number greater than or equal to 1.
In paragraph 5, m and n are each 2, p and q are each 3, and One first reference image signal is located in the same row as the first non-reference image signal, excluding three of the four first color image signals included in the corresponding reference signal unit, and A display device in which one second reference image signal is located in the same row as the second non-reference image signal, excluding three third color image signals among the four third color image signals included in the corresponding reference signal unit.
In paragraph 6, k is 2 and j is 4, and Two first color light-emitting elements are electrically connected to each other, and Two of the four second color light-emitting elements are electrically connected to each other, and the remaining two second color light-emitting elements are electrically connected to each other, and A display device in which two third color light-emitting elements are electrically connected to each other.
In paragraph 6, A display device in which the first non-reference image signal and the second non-reference image signal are located in different rows.
In paragraph 5, m and n are 3 and 2, respectively, and p and q are 5, respectively, and One first reference image signal is located in the same row as the first non-reference image signal, excluding five of the six first color image signals included in the corresponding reference signal unit, and A display device in which one second reference image signal is located in the same row as the second non-reference image signal, excluding five of the six third color image signals included in the corresponding reference signal unit.
In paragraph 9, k is 3 and j is 6, and The three first color light-emitting elements are electrically connected to each other, and Three of the six second color light-emitting elements are electrically connected to each other, and the remaining three second color light-emitting elements are electrically connected to each other, and A display device in which three third-color light-emitting elements are electrically connected to each other.
In paragraph 5, m and n are 4 and 2, respectively, and p and q are 7, respectively, and One first reference image signal is located in the same row as the first non-reference image signal, excluding seven of the eight first color image signals included in the corresponding reference signal unit, and A display device in which one second reference image signal is located in the same row as the second non-reference image signal, excluding seven of the eight third color image signals included in the corresponding reference signal unit.
In paragraph 11, k is 4 and j is 8, and The four first color light-emitting elements are electrically connected to each other, and Four of the eight second color light-emitting elements are electrically connected to each other, and the remaining four second color light-emitting elements are electrically connected to each other, and A display device in which four third-color light-emitting elements are electrically connected to each other.
In paragraph 5, m and n are 2 and 3, respectively, p is 5, and q is 4, and One first reference image signal is located in the same row as one first non-reference image signal, excluding four of the six first color image signals included in the corresponding reference signal unit, and Two second reference image signals are display devices located in the same row as two second non-reference image signals, excluding four of the six third color image signals included in the corresponding reference signal unit.
In Paragraph 13, k is 3 and j is 6, and The three first color light-emitting elements are electrically connected to each other, and Three of the six second color light-emitting elements are electrically connected to each other, and the remaining three second color light-emitting elements are electrically connected to each other, and A display device in which three third-color light-emitting elements are electrically connected to each other.
In paragraph 5, m and n are 2 and 4, respectively, and p and q are 6, respectively, and The two first reference image signals are located in the same row as the two first non-reference image signals, excluding six of the eight first color image signals included in the corresponding reference signal unit, respectively. Two second reference image signals are display devices located in the same row as two second non-reference image signals, excluding six of the eight third color image signals included in the corresponding reference signal unit.
In paragraph 15, k is 4 and j is 8, and The four first color light-emitting elements are electrically connected to each other, and Four of the eight second color light-emitting elements are electrically connected to each other, and the remaining four second color light-emitting elements are electrically connected to each other, and A display device in which four third-color light-emitting elements are electrically connected to each other.
In paragraph 5, m is 3, n is 2, p is 5, (mXn)-p is 1, and One first reference image signal is located in the same row as one first non-reference image signal, excluding five of the six first color image signals included in the corresponding reference signal unit, and A display device in which one second reference image signal is located in the same row as one second non-reference image signal, excluding five of the six third color image signals included in the corresponding reference signal unit.
In paragraph 5, m and n are 3 and 4, respectively, and p and q are 10, respectively, and The two first reference image signals are each located in the same row as the two first non-reference image signals, excluding the 10 first color image signals among the 12 first color image signals included in the corresponding reference signal unit, and A display device that is positioned in the same row as two second non-referenced image signals, excluding 10 of the 12 third color image signals included in the corresponding reference signal unit.
In paragraph 5, m and n are 4 and 4 respectively, p and q are 14 respectively, and The two first reference image signals are located in the same row as the first non-reference image signals, excluding 14 of the 16 first color image signals included in the corresponding reference signal unit, and A display device in which one second reference image signal is located in the same row as the second non-reference image signal, excluding 14 of the 16 third color image signals included in the corresponding reference signal unit.
In paragraph 19, the first non-reference image signal and the second non-reference image signal are a display device located in the same row.

Description

Display Device The present invention relates to a display device, and more specifically, to a display device having an enlarged display area. Various electronic devices used in multimedia devices such as televisions, mobile phones, tablet computers, navigation systems, or game consoles are being developed. In response to recent market demands, research is underway to reduce the non-image display area in electronic devices. At the same time, research is being conducted to expand the display area where images are shown to the user. FIG. 1a is a perspective view of a display device according to one embodiment of the present invention. FIG. 1b is a side view of the display device shown in FIG. 1a as seen from a second direction. FIG. 1c is a side view of the display device shown in FIG. 1a, viewed from the first direction side. FIG. 2a is an exploded perspective view of a display device according to one embodiment of the present invention. FIG. 2b is a block diagram of a display device according to one embodiment of the present invention. FIGS. 3a and FIGS. 3b are plan views of a display panel according to embodiments of the present invention. FIG. 4a is an enlarged plan view of a region shown in FIG. 3a according to an embodiment of the present invention. FIG. 4b is a conceptual diagram showing the connection relationship between the light-emitting elements and driving circuits in one region shown in FIG. 4a. FIG. 4c is a conceptual diagram showing the connection relationship between the driving circuits and data lines illustrated in FIG. 4a. FIG. 5a is a plan view showing the connection structure of each of the reference pixel units of a 2x2 structure according to one embodiment of the present invention. FIG. 5b is a conceptual diagram illustrating the rendering process of image signals according to one embodiment of the present invention. FIG. 6a is a plan view showing the connection structure of each of the normal pixel units and the reference pixel units of the 3X2 structure according to one embodiment of the present invention. FIG. 6b is a conceptual diagram illustrating the rendering process of image signals according to one embodiment of the present invention. FIG. 7a is a plan view showing the connection structure of each of the normal pixel units and the reference pixel units of the 4X2 structure according to one embodiment of the present invention. FIG. 7b is a conceptual diagram illustrating the rendering process of image signals according to one embodiment of the present invention. FIG. 8a is a plan view showing the connection structure of each of the normal pixel units and the reference pixel units of the 2X3 structure according to one embodiment of the present invention. FIG. 8b is a conceptual diagram illustrating the rendering process of image signals according to one embodiment of the present invention. FIG. 9a is a plan view showing the connection structure of each of the normal pixel units and the reference pixel units of the 2X4 structure according to one embodiment of the present invention. FIG. 9b is a conceptual diagram illustrating the rendering process of image signals according to one embodiment of the present invention. FIG. 10 is a conceptual diagram illustrating the rendering process of reference pixel units of a 3x3 structure and corresponding image signals provided according to one embodiment of the present invention. FIG. 11 is a conceptual diagram illustrating the rendering process of reference pixel units of a 3x4 structure and corresponding image signals provided according to one embodiment of the present invention. FIG. 12 is a conceptual diagram illustrating the rendering process of reference pixel units of a 4x4 structure and corresponding image signals provided according to one embodiment of the present invention. FIG. 13a is a cross-sectional view of a display panel cut along the cutting line II' shown in FIG. 3a. FIG. 13b is a cross-sectional view of a display panel according to one embodiment of the present invention. In this specification, where a component (or region, layer, part, etc.) is described as being “on,” “connected,” or “joined” another component, it means that it may be directly placed/connected/joined on the other component, or that a third component may be placed between them. Identical reference numerals denote identical components. Additionally, in the drawings, the thicknesses, proportions, and dimensions of components are exaggerated for the effective illustration of the technical content. “And/or” includes all one or more combinations that the associated components may define. Terms such as "first," "second," etc., may be used to describe various components, but said components should not be limited by said terms. These terms are used solely for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be named the second component, and similarly, the sec