graphics matrix

.tex

\documentclass[10pt,a4paper]{article}
\usepackage{graphicx}
\usepackage{subfig}

\captionsetup{labelformat=empty}
\begin{document}
\begin{figure}[H]
	\centering
    \captionsetup[subfigure]{labelformat=empty}
    \begin{minipage}{0.51\textwidth}
        \subfloat[Left]{\includegraphics[width=1.0\linewidth]{1.png}}
    \end{minipage}
    \begin{minipage}{0.48\textwidth}
        \subfloat[Top right]
        {
            \subfloat[1]{\includegraphics[width=0.45\linewidth]{2.png}}
            \subfloat[2]{\includegraphics[width=0.45\linewidth]{2.png}}
        }\\
        \subfloat[Bottom right]
        {
            \subfloat[3]{\includegraphics[width=0.45\linewidth]{2.png}}
            \subfloat[4]{\includegraphics[width=0.45\linewidth]{2.png}}
        }
    \end{minipage}
    \caption{This is caption}
\end{figure}

\end{document}

Thank u very much!